2010-07-07 11:12:45 +00:00
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From: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Subject: Linux: 2.6.34
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Patch-mainline: 2.6.34
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This patch contains the differences between 2.6.33 and 2.6.34.
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Acked-by: Jeff Mahoney <jeffm@suse.com>
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Automatically created from "patches.kernel.org/patch-2.6.34" by xen-port-patches.py
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2011-04-19 20:09:59 +00:00
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--- head-2011-03-11.orig/arch/x86/Kconfig 2011-02-01 14:55:46.000000000 +0100
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+++ head-2011-03-11/arch/x86/Kconfig 2011-02-01 15:03:03.000000000 +0100
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@@ -116,7 +116,7 @@ config SBUS
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2010-07-07 11:12:45 +00:00
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bool
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config NEED_DMA_MAP_STATE
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- def_bool (X86_64 || DMAR || DMA_API_DEBUG)
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+ def_bool (X86_64 || DMAR || DMA_API_DEBUG || SWIOTLB)
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2011-04-19 20:09:59 +00:00
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config NEED_SG_DMA_LENGTH
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2010-07-07 11:12:45 +00:00
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def_bool y
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2011-04-19 20:09:59 +00:00
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--- head-2011-03-11.orig/arch/x86/ia32/ia32entry-xen.S 2011-02-01 14:55:46.000000000 +0100
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+++ head-2011-03-11/arch/x86/ia32/ia32entry-xen.S 2011-02-01 15:03:03.000000000 +0100
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@@ -444,7 +444,7 @@ ia32_sys_call_table:
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2010-07-07 11:12:45 +00:00
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.quad quiet_ni_syscall /* old mpx syscall holder */
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.quad sys_setpgid
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.quad quiet_ni_syscall /* old ulimit syscall holder */
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- .quad sys32_olduname
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+ .quad sys_olduname
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.quad sys_umask /* 60 */
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.quad sys_chroot
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.quad compat_sys_ustat
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2011-04-19 20:09:59 +00:00
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@@ -467,7 +467,7 @@ ia32_sys_call_table:
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2010-07-07 11:12:45 +00:00
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.quad compat_sys_settimeofday
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.quad sys_getgroups16 /* 80 */
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.quad sys_setgroups16
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- .quad sys32_old_select
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+ .quad compat_sys_old_select
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.quad sys_symlink
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.quad sys_lstat
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.quad sys_readlink /* 85 */
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2011-04-19 20:09:59 +00:00
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@@ -494,7 +494,7 @@ ia32_sys_call_table:
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2010-07-07 11:12:45 +00:00
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.quad compat_sys_newstat
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.quad compat_sys_newlstat
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.quad compat_sys_newfstat
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- .quad sys32_uname
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+ .quad sys_uname
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.quad stub32_iopl /* 110 */
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.quad sys_vhangup
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.quad quiet_ni_syscall /* old "idle" system call */
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2011-04-19 20:09:59 +00:00
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@@ -507,7 +507,7 @@ ia32_sys_call_table:
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2010-07-07 11:12:45 +00:00
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.quad stub32_sigreturn
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.quad stub32_clone /* 120 */
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.quad sys_setdomainname
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- .quad sys_uname
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+ .quad sys_newuname
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.quad sys_modify_ldt
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.quad compat_sys_adjtimex
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.quad sys32_mprotect /* 125 */
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2011-04-19 20:09:59 +00:00
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--- head-2011-03-11.orig/arch/x86/include/asm/i8259.h 2011-03-15 16:29:56.000000000 +0100
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+++ head-2011-03-11/arch/x86/include/asm/i8259.h 2011-02-01 15:03:03.000000000 +0100
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@@ -54,6 +54,7 @@ extern struct irq_chip i8259A_chip;
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2010-07-07 11:12:45 +00:00
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struct legacy_pic {
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int nr_legacy_irqs;
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+#ifndef CONFIG_XEN
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struct irq_chip *chip;
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2011-04-19 20:09:59 +00:00
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void (*mask)(unsigned int irq);
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void (*unmask)(unsigned int irq);
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@@ -61,6 +62,7 @@ struct legacy_pic {
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2010-07-07 11:12:45 +00:00
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void (*restore_mask)(void);
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void (*init)(int auto_eoi);
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int (*irq_pending)(unsigned int irq);
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+#endif
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void (*make_irq)(unsigned int irq);
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};
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2011-04-19 20:09:59 +00:00
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--- head-2011-03-11.orig/arch/x86/include/mach-xen/asm/fixmap.h 2011-02-01 14:54:13.000000000 +0100
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+++ head-2011-03-11/arch/x86/include/mach-xen/asm/fixmap.h 2011-02-01 15:03:03.000000000 +0100
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2010-07-07 11:12:45 +00:00
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@@ -82,6 +82,9 @@ enum fixed_addresses {
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#endif
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FIX_DBGP_BASE,
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FIX_EARLYCON_MEM_BASE,
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+#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
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+ FIX_OHCI1394_BASE,
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+#endif
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#ifdef CONFIG_X86_LOCAL_APIC
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FIX_APIC_BASE, /* local (CPU) APIC) -- required for SMP or not */
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#endif
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@@ -125,17 +128,20 @@ enum fixed_addresses {
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* 256 temporary boot-time mappings, used by early_ioremap(),
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* before ioremap() is functional.
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*
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- * We round it up to the next 256 pages boundary so that we
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- * can have a single pgd entry and a single pte table:
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+ * If necessary we round it up to the next 256 pages boundary so
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+ * that we can have a single pgd entry and a single pte table:
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*/
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#define NR_FIX_BTMAPS 64
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#define FIX_BTMAPS_SLOTS 4
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- FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 -
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- (__end_of_permanent_fixed_addresses & 255),
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- FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1,
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-#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
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- FIX_OHCI1394_BASE,
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-#endif
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+#define TOTAL_FIX_BTMAPS (NR_FIX_BTMAPS * FIX_BTMAPS_SLOTS)
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+ FIX_BTMAP_END =
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+ (__end_of_permanent_fixed_addresses ^
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+ (__end_of_permanent_fixed_addresses + TOTAL_FIX_BTMAPS - 1)) &
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+ -PTRS_PER_PTE
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+ ? __end_of_permanent_fixed_addresses + TOTAL_FIX_BTMAPS -
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+ (__end_of_permanent_fixed_addresses & (TOTAL_FIX_BTMAPS - 1))
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+ : __end_of_permanent_fixed_addresses,
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+ FIX_BTMAP_BEGIN = FIX_BTMAP_END + TOTAL_FIX_BTMAPS - 1,
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#ifdef CONFIG_X86_32
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FIX_WP_TEST,
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#endif
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2011-04-19 20:09:59 +00:00
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--- head-2011-03-11.orig/arch/x86/include/mach-xen/asm/io.h 2011-02-01 14:44:12.000000000 +0100
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+++ head-2011-03-11/arch/x86/include/mach-xen/asm/io.h 2011-02-01 15:03:03.000000000 +0100
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2010-07-07 11:12:45 +00:00
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@@ -1,8 +1,42 @@
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#ifndef _ASM_X86_IO_H
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#define _ASM_X86_IO_H
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+/*
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+ * This file contains the definitions for the x86 IO instructions
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+ * inb/inw/inl/outb/outw/outl and the "string versions" of the same
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+ * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
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+ * versions of the single-IO instructions (inb_p/inw_p/..).
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+ *
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+ * This file is not meant to be obfuscating: it's just complicated
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+ * to (a) handle it all in a way that makes gcc able to optimize it
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+ * as well as possible and (b) trying to avoid writing the same thing
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+ * over and over again with slight variations and possibly making a
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+ * mistake somewhere.
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+ */
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+
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+/*
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+ * Thanks to James van Artsdalen for a better timing-fix than
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+ * the two short jumps: using outb's to a nonexistent port seems
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+ * to guarantee better timings even on fast machines.
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+ *
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+ * On the other hand, I'd like to be sure of a non-existent port:
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+ * I feel a bit unsafe about using 0x80 (should be safe, though)
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+ *
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+ * Linus
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+ */
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+
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+ /*
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+ * Bit simplified and optimized by Jan Hubicka
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+ * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999.
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+ *
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+ * isa_memset_io, isa_memcpy_fromio, isa_memcpy_toio added,
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+ * isa_read[wl] and isa_write[wl] fixed
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+ * - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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+ */
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+
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#define ARCH_HAS_IOREMAP_WC
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+#include <linux/string.h>
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#include <linux/compiler.h>
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#include <asm-generic/int-ll64.h>
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#include <asm/page.h>
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@@ -84,8 +118,6 @@ static inline void writeq(__u64 val, vol
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#define readq readq
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#define writeq writeq
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-#define native_io_delay xen_io_delay
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-
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/**
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* virt_to_phys - map virtual addresses to physical
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* @address: address to remap
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@@ -181,11 +213,110 @@ static inline void __iomem *ioremap(reso
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extern void iounmap(volatile void __iomem *addr);
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-#ifdef CONFIG_X86_32
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-# include "../../asm/io_32.h"
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-#else
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-# include "../../asm/io_64.h"
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+#ifdef __KERNEL__
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+
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+#include <asm-generic/iomap.h>
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+
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+#include <linux/vmalloc.h>
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+
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+/*
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+ * Convert a virtual cached pointer to an uncached pointer
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+ */
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+#define xlate_dev_kmem_ptr(p) p
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+
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+static inline void
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+memset_io(volatile void __iomem *addr, unsigned char val, size_t count)
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+{
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+ memset((void __force *)addr, val, count);
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+}
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+
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+static inline void
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+memcpy_fromio(void *dst, const volatile void __iomem *src, size_t count)
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+{
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+ memcpy(dst, (const void __force *)src, count);
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+}
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+
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+static inline void
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+memcpy_toio(volatile void __iomem *dst, const void *src, size_t count)
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+{
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+ memcpy((void __force *)dst, src, count);
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+}
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+
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+/*
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+ * Cache management
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+ *
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+ * This needed for two cases
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+ * 1. Out of order aware processors
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+ * 2. Accidentally out of order processors (PPro errata #51)
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+ */
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+
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+static inline void flush_write_buffers(void)
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+{
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+#if defined(CONFIG_X86_OOSTORE) || defined(CONFIG_X86_PPRO_FENCE)
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+ asm volatile("lock; addl $0,0(%%esp)": : :"memory");
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+#endif
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+}
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+
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+#endif /* __KERNEL__ */
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+
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+extern void native_io_delay(void);
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+
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+extern int io_delay_type;
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+extern void io_delay_init(void);
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+
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+static inline void slow_down_io(void)
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+{
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+ native_io_delay();
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+#ifdef REALLY_SLOW_IO
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+ native_io_delay();
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+ native_io_delay();
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+ native_io_delay();
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#endif
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+}
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+
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+#define BUILDIO(bwl, bw, type) \
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+static inline void out##bwl(unsigned type value, int port) \
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+{ \
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+ asm volatile("out" #bwl " %" #bw "0, %w1" \
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+ : : "a"(value), "Nd"(port)); \
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+} \
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+ \
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+static inline unsigned type in##bwl(int port) \
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+{ \
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+ unsigned type value; \
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+ asm volatile("in" #bwl " %w1, %" #bw "0" \
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+ : "=a"(value) : "Nd"(port)); \
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+ return value; \
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+} \
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+ \
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+static inline void out##bwl##_p(unsigned type value, int port) \
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+{ \
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+ out##bwl(value, port); \
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+ slow_down_io(); \
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+} \
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+ \
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+static inline unsigned type in##bwl##_p(int port) \
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+{ \
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+ unsigned type value = in##bwl(port); \
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+ slow_down_io(); \
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+ return value; \
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+} \
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+ \
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+static inline void outs##bwl(int port, const void *addr, unsigned long count) \
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+{ \
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+ asm volatile("rep; outs" #bwl \
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+ : "+S"(addr), "+c"(count) : "d"(port)); \
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+} \
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+ \
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+static inline void ins##bwl(int port, void *addr, unsigned long count) \
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+{ \
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+ asm volatile("rep; ins" #bwl \
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+ : "+D"(addr), "+c"(count) : "d"(port)); \
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+}
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+
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+BUILDIO(b, b, char)
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+BUILDIO(w, w, short)
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+BUILDIO(l, , int)
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#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
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@@ -200,8 +331,6 @@ extern void iounmap(volatile void __iome
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&& bvec_to_pseudophys(vec1) + (vec1)->bv_len \
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== bvec_to_pseudophys(vec2))
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-#undef __ISA_IO_base
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-
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#endif
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extern void *xlate_dev_mem_ptr(unsigned long phys);
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@@ -223,6 +352,7 @@ extern void __iomem *early_ioremap(resou
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extern void __iomem *early_memremap(resource_size_t phys_addr,
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unsigned long size);
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extern void early_iounmap(void __iomem *addr, unsigned long size);
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+extern void fixup_early_ioremap(void);
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#define IO_SPACE_LIMIT 0xffff
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2011-04-19 20:09:59 +00:00
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--- head-2011-03-11.orig/arch/x86/include/mach-xen/asm/irq_vectors.h 2011-02-15 17:33:45.000000000 +0100
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+++ head-2011-03-11/arch/x86/include/mach-xen/asm/irq_vectors.h 2011-02-15 17:49:16.000000000 +0100
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2010-07-07 11:12:45 +00:00
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@@ -3,11 +3,9 @@
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#define MCE_VECTOR 0x12
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+#define IA32_SYSCALL_VECTOR 0x80
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#ifdef CONFIG_X86_32
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# define SYSCALL_VECTOR 0x80
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-# define IA32_SYSCALL_VECTOR 0x80
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-#else
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-# define IA32_SYSCALL_VECTOR 0x80
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#endif
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#define RESCHEDULE_VECTOR 0
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@@ -57,9 +55,17 @@ static inline int invalid_vm86_irq(int i
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* are bound using the provided bind/unbind functions.
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*/
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#define PIRQ_BASE 0
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+/* PHYSDEVOP_pirq_eoi_gmfn restriction: */
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+#define PIRQ_MAX(n) ((n) < (1 << (PAGE_SHIFT + 3)) - NR_VECTORS \
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+ ? (n) : (1 << (PAGE_SHIFT + 3)) - NR_VECTORS)
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+
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+#define IO_APIC_VECTOR_LIMIT PIRQ_MAX(32 * MAX_IO_APICS)
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-#define CPU_VECTOR_LIMIT ( 8 * NR_CPUS )
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-#define IO_APIC_VECTOR_LIMIT ( 32 * MAX_IO_APICS )
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+#ifdef CONFIG_SPARSE_IRQ
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+# define CPU_VECTOR_LIMIT PIRQ_MAX(64 * NR_CPUS)
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+#else
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+# define CPU_VECTOR_LIMIT PIRQ_MAX(32 * NR_CPUS)
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+#endif
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2011-04-19 20:09:59 +00:00
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#if defined(CONFIG_X86_IO_APIC)
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# ifdef CONFIG_SPARSE_IRQ
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--- head-2011-03-11.orig/arch/x86/include/mach-xen/asm/pci.h 2011-02-01 14:54:13.000000000 +0100
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+++ head-2011-03-11/arch/x86/include/mach-xen/asm/pci.h 2011-02-01 15:03:03.000000000 +0100
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2010-07-07 11:12:45 +00:00
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@@ -48,8 +48,15 @@ static inline int pci_proc_domain(struct
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#ifdef CONFIG_PCI
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extern unsigned int pcibios_assign_all_busses(void);
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+extern int pci_legacy_init(void);
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+# ifdef CONFIG_ACPI
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+# define x86_default_pci_init pci_acpi_init
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+# else
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+# define x86_default_pci_init pci_legacy_init
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+# endif
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#else
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-#define pcibios_assign_all_busses() 0
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+# define pcibios_assign_all_busses() 0
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+# define x86_default_pci_init NULL
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#endif
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#include <asm/hypervisor.h>
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@@ -97,41 +104,14 @@ extern void pci_iommu_alloc(void);
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#define PCI_DMA_BUS_IS_PHYS 0
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-#if defined(CONFIG_X86_64) || defined(CONFIG_DMAR) || defined(CONFIG_DMA_API_DEBUG) \
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- || defined(CONFIG_SWIOTLB)
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-
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-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
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- dma_addr_t ADDR_NAME;
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-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \
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- __u32 LEN_NAME;
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-#define pci_unmap_addr(PTR, ADDR_NAME) \
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- ((PTR)->ADDR_NAME)
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-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
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- (((PTR)->ADDR_NAME) = (VAL))
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-#define pci_unmap_len(PTR, LEN_NAME) \
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- ((PTR)->LEN_NAME)
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-#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
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- (((PTR)->LEN_NAME) = (VAL))
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-
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|
-#else
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-
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|
|
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME[0];
|
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|
|
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) unsigned LEN_NAME[0];
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|
-#define pci_unmap_addr(PTR, ADDR_NAME) sizeof((PTR)->ADDR_NAME)
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|
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
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|
- do { break; } while (pci_unmap_addr(PTR, ADDR_NAME))
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|
-#define pci_unmap_len(PTR, LEN_NAME) sizeof((PTR)->LEN_NAME)
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|
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
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- do { break; } while (pci_unmap_len(PTR, LEN_NAME))
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-
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|
-#endif
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|
-
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|
#endif /* __KERNEL__ */
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|
|
#ifdef CONFIG_X86_64
|
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|
|
#include "../../asm/pci_64.h"
|
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|
#endif
|
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|
|
+void dma32_reserve_bootmem(void);
|
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|
+
|
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|
|
/* implement the pci_ DMA API in terms of the generic device dma_ one */
|
|
|
|
#include <asm-generic/pci-dma-compat.h>
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/include/mach-xen/asm/pgalloc.h 2011-02-01 14:50:44.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/include/mach-xen/asm/pgalloc.h 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -27,6 +27,11 @@ pmd_t *early_get_pmd(unsigned long va);
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|
#endif
|
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|
|
/*
|
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|
+ * Flags to use when allocating a user page table page.
|
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|
+ */
|
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|
|
+extern gfp_t __userpte_alloc_gfp;
|
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|
+
|
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|
|
+/*
|
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|
* Allocate and free page tables.
|
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|
|
*/
|
|
|
|
extern pgd_t *pgd_alloc(struct mm_struct *);
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/include/mach-xen/asm/pgtable_32.h 2011-02-01 14:50:44.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/include/mach-xen/asm/pgtable_32.h 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -18,7 +18,6 @@
|
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|
|
#include <linux/threads.h>
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|
|
#include <linux/bitops.h>
|
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|
|
-#include <linux/slab.h>
|
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|
|
#include <linux/list.h>
|
|
|
|
#include <linux/spinlock.h>
|
|
|
|
#include <linux/sched.h>
|
|
|
|
@@ -79,7 +78,7 @@ do { \
|
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|
|
* The i386 doesn't have any external MMU info: the kernel page
|
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|
|
* tables contain all the necessary information.
|
|
|
|
*/
|
|
|
|
-#define update_mmu_cache(vma, address, pte) do { } while (0)
|
|
|
|
+#define update_mmu_cache(vma, address, ptep) do { } while (0)
|
|
|
|
|
|
|
|
void make_lowmem_page_readonly(void *va, unsigned int feature);
|
|
|
|
void make_lowmem_page_writable(void *va, unsigned int feature);
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/include/mach-xen/asm/pgtable_64.h 2011-02-01 14:50:44.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/include/mach-xen/asm/pgtable_64.h 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -136,7 +136,7 @@ static inline int pgd_large(pgd_t pgd) {
|
|
|
|
#define pte_unmap(pte) /* NOP */
|
|
|
|
#define pte_unmap_nested(pte) /* NOP */
|
|
|
|
|
|
|
|
-#define update_mmu_cache(vma, address, pte) do { } while (0)
|
|
|
|
+#define update_mmu_cache(vma, address, ptep) do { } while (0)
|
|
|
|
|
|
|
|
/* Encode and de-code a swap entry */
|
|
|
|
#if _PAGE_BIT_FILE < _PAGE_BIT_PROTNONE
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/include/mach-xen/asm/smp.h 2011-03-03 16:08:16.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/include/mach-xen/asm/smp.h 2011-03-03 16:10:16.000000000 +0100
|
|
|
|
@@ -138,6 +138,8 @@ int native_cpu_disable(void);
|
2010-07-07 11:12:45 +00:00
|
|
|
void native_cpu_die(unsigned int cpu);
|
|
|
|
void native_play_dead(void);
|
|
|
|
void play_dead_common(void);
|
|
|
|
+void wbinvd_on_cpu(int cpu);
|
|
|
|
+int wbinvd_on_all_cpus(void);
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
void smp_store_cpu_info(int id);
|
|
|
|
#define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu)
|
|
|
|
@@ -165,8 +167,19 @@ static inline int num_booting_cpus(void)
|
2010-07-07 11:12:45 +00:00
|
|
|
{
|
|
|
|
return cpumask_weight(cpu_callout_mask);
|
|
|
|
}
|
|
|
|
+#elif /* !CONFIG_SMP && */ !defined(CONFIG_XEN)
|
|
|
|
+#define wbinvd_on_cpu(cpu) wbinvd()
|
|
|
|
+static inline int wbinvd_on_all_cpus(void)
|
|
|
|
+{
|
|
|
|
+ wbinvd();
|
|
|
|
+ return 0;
|
|
|
|
+}
|
|
|
|
#endif /* CONFIG_SMP */
|
|
|
|
|
|
|
|
+#ifdef CONFIG_XEN
|
|
|
|
+int wbinvd_on_all_cpus(void);
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
extern unsigned disabled_cpus __cpuinitdata;
|
|
|
|
|
|
|
|
#include <asm/smp-processor-id.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/include/mach-xen/asm/system.h 2011-03-03 16:09:31.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/include/mach-xen/asm/system.h 2011-03-03 16:10:13.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -31,7 +31,7 @@ extern void show_regs_common(void);
|
|
|
|
"movl %P[task_canary](%[next]), %%ebx\n\t" \
|
|
|
|
"movl %%ebx, "__percpu_arg([stack_canary])"\n\t"
|
|
|
|
#define __switch_canary_oparam \
|
|
|
|
- , [stack_canary] "=m" (per_cpu_var(stack_canary.canary))
|
|
|
|
+ , [stack_canary] "=m" (stack_canary.canary)
|
|
|
|
#define __switch_canary_iparam \
|
|
|
|
, [task_canary] "i" (offsetof(struct task_struct, stack_canary))
|
|
|
|
#else /* CC_STACKPROTECTOR */
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -115,7 +115,7 @@ do { \
|
2010-07-07 11:12:45 +00:00
|
|
|
"movq %P[task_canary](%%rsi),%%r8\n\t" \
|
|
|
|
"movq %%r8,"__percpu_arg([gs_canary])"\n\t"
|
|
|
|
#define __switch_canary_oparam \
|
|
|
|
- , [gs_canary] "=m" (per_cpu_var(irq_stack_union.stack_canary))
|
|
|
|
+ , [gs_canary] "=m" (irq_stack_union.stack_canary)
|
|
|
|
#define __switch_canary_iparam \
|
|
|
|
, [task_canary] "i" (offsetof(struct task_struct, stack_canary))
|
|
|
|
#else /* CC_STACKPROTECTOR */
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -134,7 +134,7 @@ do { \
|
2010-07-07 11:12:45 +00:00
|
|
|
__switch_canary \
|
|
|
|
"movq %P[thread_info](%%rsi),%%r8\n\t" \
|
|
|
|
"movq %%rax,%%rdi\n\t" \
|
|
|
|
- "testl %[_tif_fork],%P[ti_flags](%%r8)\n\t" \
|
|
|
|
+ "testl %[_tif_fork],%P[ti_flags](%%r8)\n\t" \
|
|
|
|
"jnz ret_from_fork\n\t" \
|
|
|
|
RESTORE_CONTEXT \
|
|
|
|
: "=a" (last) \
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -144,7 +144,7 @@ do { \
|
2010-07-07 11:12:45 +00:00
|
|
|
[ti_flags] "i" (offsetof(struct thread_info, flags)), \
|
|
|
|
[_tif_fork] "i" (_TIF_FORK), \
|
|
|
|
[thread_info] "i" (offsetof(struct task_struct, stack)), \
|
|
|
|
- [current_task] "m" (per_cpu_var(current_task)) \
|
|
|
|
+ [current_task] "m" (current_task) \
|
|
|
|
__switch_canary_iparam \
|
|
|
|
: "memory", "cc" __EXTRA_CLOBBER)
|
|
|
|
#endif
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/acpi/processor_extcntl_xen.c 2011-01-31 17:56:27.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/acpi/processor_extcntl_xen.c 2011-02-01 15:03:03.000000000 +0100
|
|
|
|
@@ -190,12 +190,12 @@ static struct processor_extcntl_ops xen_
|
|
|
|
.hotplug = xen_hotplug_notifier,
|
|
|
|
};
|
|
|
|
|
|
|
|
-void arch_acpi_processor_init_extcntl(const struct processor_extcntl_ops **ops)
|
|
|
|
+static int __init init_extcntl(void)
|
|
|
|
{
|
|
|
|
unsigned int pmbits = (xen_start_info->flags & SIF_PM_MASK) >> 8;
|
|
|
|
|
|
|
|
if (!pmbits)
|
|
|
|
- return;
|
|
|
|
+ return 0;
|
|
|
|
if (pmbits & XEN_PROCESSOR_PM_CX)
|
|
|
|
xen_extcntl_ops.pm_ops[PM_TYPE_IDLE] = xen_cx_notifier;
|
|
|
|
if (pmbits & XEN_PROCESSOR_PM_PX)
|
|
|
|
@@ -203,6 +203,8 @@ void arch_acpi_processor_init_extcntl(co
|
|
|
|
if (pmbits & XEN_PROCESSOR_PM_TX)
|
|
|
|
xen_extcntl_ops.pm_ops[PM_TYPE_THR] = xen_tx_notifier;
|
|
|
|
|
|
|
|
- *ops = &xen_extcntl_ops;
|
|
|
|
+ processor_extcntl_ops = &xen_extcntl_ops;
|
|
|
|
+
|
|
|
|
+ return 0;
|
|
|
|
}
|
|
|
|
-EXPORT_SYMBOL(arch_acpi_processor_init_extcntl);
|
|
|
|
+arch_initcall(init_extcntl);
|
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/apic/io_apic-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/apic/io_apic-xen.c 2011-02-01 15:03:03.000000000 +0100
|
|
|
|
@@ -34,6 +34,7 @@
|
2010-07-07 11:12:45 +00:00
|
|
|
#include <linux/freezer.h>
|
|
|
|
#include <linux/kthread.h>
|
|
|
|
#include <linux/jiffies.h> /* time_after() */
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#ifdef CONFIG_ACPI
|
|
|
|
#include <acpi/acpi_bus.h>
|
|
|
|
#endif
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -61,9 +62,12 @@
|
2010-07-07 11:12:45 +00:00
|
|
|
#include <xen/evtchn.h>
|
|
|
|
|
|
|
|
/* Fake i8259 */
|
|
|
|
-#define make_8259A_irq(_irq) (io_apic_irqs &= ~(1UL<<(_irq)))
|
|
|
|
-#define disable_8259A_irq(_irq) ((void)0)
|
|
|
|
-#define i8259A_irq_pending(_irq) (0)
|
|
|
|
+static void make_8259A_irq(unsigned int irq) { io_apic_irqs &= ~(1UL<<irq); }
|
|
|
|
+static const struct legacy_pic xen_legacy_pic = {
|
|
|
|
+ .nr_legacy_irqs = NR_IRQS_LEGACY,
|
|
|
|
+ .make_irq = make_8259A_irq
|
|
|
|
+};
|
|
|
|
+#define legacy_pic (&xen_legacy_pic)
|
|
|
|
|
|
|
|
unsigned long io_apic_irqs;
|
|
|
|
#endif /* CONFIG_XEN */
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -78,9 +82,9 @@ unsigned long io_apic_irqs;
|
2010-07-07 11:12:45 +00:00
|
|
|
*/
|
|
|
|
int sis_apic_bug = -1;
|
|
|
|
|
|
|
|
-static DEFINE_SPINLOCK(ioapic_lock);
|
|
|
|
+static DEFINE_RAW_SPINLOCK(ioapic_lock);
|
|
|
|
#ifndef CONFIG_XEN
|
|
|
|
-static DEFINE_SPINLOCK(vector_lock);
|
|
|
|
+static DEFINE_RAW_SPINLOCK(vector_lock);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/*
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -102,12 +106,8 @@ struct mpc_intsrc mp_irqs[MAX_IRQ_SOURCE
|
2010-07-07 11:12:45 +00:00
|
|
|
int mp_irq_entries;
|
|
|
|
|
|
|
|
#ifndef CONFIG_XEN
|
|
|
|
-/* Number of legacy interrupts */
|
|
|
|
-static int nr_legacy_irqs __read_mostly = NR_IRQS_LEGACY;
|
|
|
|
/* GSI interrupts */
|
|
|
|
static int nr_irqs_gsi = NR_IRQS_LEGACY;
|
|
|
|
-#else
|
|
|
|
-#define nr_legacy_irqs NR_IRQS_LEGACY
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -152,33 +152,10 @@ static struct irq_pin_list *get_one_free
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
/* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */
|
|
|
|
#ifdef CONFIG_SPARSE_IRQ
|
|
|
|
-static struct irq_cfg irq_cfgx[] = {
|
|
|
|
+static struct irq_cfg irq_cfgx[NR_IRQS_LEGACY];
|
|
|
|
#else
|
|
|
|
-static struct irq_cfg irq_cfgx[NR_IRQS] = {
|
|
|
|
+static struct irq_cfg irq_cfgx[NR_IRQS];
|
|
|
|
#endif
|
|
|
|
- [0] = { .vector = IRQ0_VECTOR, },
|
|
|
|
- [1] = { .vector = IRQ1_VECTOR, },
|
|
|
|
- [2] = { .vector = IRQ2_VECTOR, },
|
|
|
|
- [3] = { .vector = IRQ3_VECTOR, },
|
|
|
|
- [4] = { .vector = IRQ4_VECTOR, },
|
|
|
|
- [5] = { .vector = IRQ5_VECTOR, },
|
|
|
|
- [6] = { .vector = IRQ6_VECTOR, },
|
|
|
|
- [7] = { .vector = IRQ7_VECTOR, },
|
|
|
|
- [8] = { .vector = IRQ8_VECTOR, },
|
|
|
|
- [9] = { .vector = IRQ9_VECTOR, },
|
|
|
|
- [10] = { .vector = IRQ10_VECTOR, },
|
|
|
|
- [11] = { .vector = IRQ11_VECTOR, },
|
|
|
|
- [12] = { .vector = IRQ12_VECTOR, },
|
|
|
|
- [13] = { .vector = IRQ13_VECTOR, },
|
|
|
|
- [14] = { .vector = IRQ14_VECTOR, },
|
|
|
|
- [15] = { .vector = IRQ15_VECTOR, },
|
|
|
|
-};
|
|
|
|
-
|
|
|
|
-void __init io_apic_disable_legacy(void)
|
|
|
|
-{
|
|
|
|
- nr_legacy_irqs = 0;
|
|
|
|
- nr_irqs_gsi = 0;
|
|
|
|
-}
|
|
|
|
|
|
|
|
int __init arch_early_irq_init(void)
|
|
|
|
{
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -188,6 +165,11 @@ int __init arch_early_irq_init(void)
|
2010-07-07 11:12:45 +00:00
|
|
|
int node;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
+ if (!legacy_pic->nr_legacy_irqs) {
|
|
|
|
+ nr_irqs_gsi = 0;
|
|
|
|
+ io_apic_irqs = ~0UL;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
cfg = irq_cfgx;
|
|
|
|
count = ARRAY_SIZE(irq_cfgx);
|
|
|
|
node= cpu_to_node(boot_cpu_id);
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -197,8 +179,14 @@ int __init arch_early_irq_init(void)
|
2010-07-07 11:12:45 +00:00
|
|
|
desc->chip_data = &cfg[i];
|
|
|
|
zalloc_cpumask_var_node(&cfg[i].domain, GFP_NOWAIT, node);
|
|
|
|
zalloc_cpumask_var_node(&cfg[i].old_domain, GFP_NOWAIT, node);
|
|
|
|
- if (i < nr_legacy_irqs)
|
|
|
|
- cpumask_setall(cfg[i].domain);
|
|
|
|
+ /*
|
|
|
|
+ * For legacy IRQ's, start with assigning irq0 to irq15 to
|
|
|
|
+ * IRQ0_VECTOR to IRQ15_VECTOR on cpu 0.
|
|
|
|
+ */
|
|
|
|
+ if (i < legacy_pic->nr_legacy_irqs) {
|
|
|
|
+ cfg[i].vector = IRQ0_VECTOR + i;
|
|
|
|
+ cpumask_set_cpu(0, cfg[i].domain);
|
|
|
|
+ }
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -443,7 +431,7 @@ static bool io_apic_level_ack_pending(st
|
2010-07-07 11:12:45 +00:00
|
|
|
struct irq_pin_list *entry;
|
|
|
|
unsigned long flags;
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
for_each_irq_pin(entry, cfg->irq_2_pin) {
|
|
|
|
unsigned int reg;
|
|
|
|
int pin;
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -452,11 +440,11 @@ static bool io_apic_level_ack_pending(st
|
2010-07-07 11:12:45 +00:00
|
|
|
reg = io_apic_read(entry->apic, 0x10 + pin*2);
|
|
|
|
/* Is the remote IRR bit set? */
|
|
|
|
if (reg & IO_APIC_REDIR_REMOTE_IRR) {
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -472,10 +460,10 @@ static struct IO_APIC_route_entry ioapic
|
2010-07-07 11:12:45 +00:00
|
|
|
{
|
|
|
|
union entry_union eu;
|
|
|
|
unsigned long flags;
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
eu.w1 = io_apic_read(apic, 0x10 + 2 * pin);
|
|
|
|
eu.w2 = io_apic_read(apic, 0x11 + 2 * pin);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
return eu.entry;
|
|
|
|
}
|
|
|
|
#endif
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -499,9 +487,9 @@ __ioapic_write_entry(int apic, int pin,
|
2010-07-07 11:12:45 +00:00
|
|
|
void ioapic_write_entry(int apic, int pin, struct IO_APIC_route_entry e)
|
|
|
|
{
|
|
|
|
unsigned long flags;
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
__ioapic_write_entry(apic, pin, e);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifndef CONFIG_XEN
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -515,10 +503,10 @@ static void ioapic_mask_entry(int apic,
|
2010-07-07 11:12:45 +00:00
|
|
|
unsigned long flags;
|
|
|
|
union entry_union eu = { .entry.mask = 1 };
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
io_apic_write(apic, 0x10 + 2*pin, eu.w1);
|
|
|
|
io_apic_write(apic, 0x11 + 2*pin, eu.w2);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -645,9 +633,9 @@ static void mask_IO_APIC_irq_desc(struct
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
BUG_ON(!cfg);
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
__mask_IO_APIC_irq(cfg);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void unmask_IO_APIC_irq_desc(struct irq_desc *desc)
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -655,9 +643,9 @@ static void unmask_IO_APIC_irq_desc(stru
|
2010-07-07 11:12:45 +00:00
|
|
|
struct irq_cfg *cfg = desc->chip_data;
|
|
|
|
unsigned long flags;
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
__unmask_IO_APIC_irq(cfg);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mask_IO_APIC_irq(unsigned int irq)
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -914,7 +902,7 @@ static int __init find_isa_irq_apic(int
|
2010-07-07 11:12:45 +00:00
|
|
|
*/
|
|
|
|
static int EISA_ELCR(unsigned int irq)
|
|
|
|
{
|
|
|
|
- if (irq < nr_legacy_irqs) {
|
|
|
|
+ if (irq < legacy_pic->nr_legacy_irqs) {
|
|
|
|
unsigned int port = 0x4d0 + (irq >> 3);
|
|
|
|
return (inb(port) >> (irq & 7)) & 1;
|
|
|
|
}
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1190,12 +1178,12 @@ void lock_vector_lock(void)
|
2010-07-07 11:12:45 +00:00
|
|
|
/* Used to the online set of cpus does not change
|
|
|
|
* during assign_irq_vector.
|
|
|
|
*/
|
|
|
|
- spin_lock(&vector_lock);
|
|
|
|
+ raw_spin_lock(&vector_lock);
|
|
|
|
}
|
|
|
|
|
|
|
|
void unlock_vector_lock(void)
|
|
|
|
{
|
|
|
|
- spin_unlock(&vector_lock);
|
|
|
|
+ raw_spin_unlock(&vector_lock);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1212,7 +1200,8 @@ __assign_irq_vector(int irq, struct irq_
|
2010-07-07 11:12:45 +00:00
|
|
|
* Also, we've got to be careful not to trash gate
|
|
|
|
* 0x80, because int 0x80 is hm, kind of importantish. ;)
|
|
|
|
*/
|
|
|
|
- static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0;
|
|
|
|
+ static int current_vector = FIRST_EXTERNAL_VECTOR + VECTOR_OFFSET_START;
|
|
|
|
+ static int current_offset = VECTOR_OFFSET_START % 8;
|
|
|
|
unsigned int old_vector;
|
|
|
|
int cpu, err;
|
|
|
|
cpumask_var_t tmp_mask;
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1248,7 +1237,7 @@ next:
|
2010-07-07 11:12:45 +00:00
|
|
|
if (vector >= first_system_vector) {
|
|
|
|
/* If out of vectors on large boxen, must share them. */
|
|
|
|
offset = (offset + 1) % 8;
|
|
|
|
- vector = FIRST_DEVICE_VECTOR + offset;
|
|
|
|
+ vector = FIRST_EXTERNAL_VECTOR + offset;
|
|
|
|
}
|
|
|
|
if (unlikely(current_vector == vector))
|
|
|
|
continue;
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1286,9 +1275,9 @@ int assign_irq_vector(int irq, struct ir
|
2010-07-07 11:12:45 +00:00
|
|
|
int err;
|
|
|
|
unsigned long flags;
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&vector_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&vector_lock, flags);
|
|
|
|
err = __assign_irq_vector(irq, cfg, mask);
|
|
|
|
- spin_unlock_irqrestore(&vector_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&vector_lock, flags);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1322,14 +1311,27 @@ static void __clear_irq_vector(int irq,
|
2010-07-07 11:12:45 +00:00
|
|
|
void __setup_vector_irq(int cpu)
|
|
|
|
{
|
|
|
|
/* Initialize vector_irq on a new cpu */
|
|
|
|
- /* This function must be called with vector_lock held */
|
|
|
|
int irq, vector;
|
|
|
|
struct irq_cfg *cfg;
|
|
|
|
struct irq_desc *desc;
|
|
|
|
|
|
|
|
+ /*
|
|
|
|
+ * vector_lock will make sure that we don't run into irq vector
|
|
|
|
+ * assignments that might be happening on another cpu in parallel,
|
|
|
|
+ * while we setup our initial vector to irq mappings.
|
|
|
|
+ */
|
|
|
|
+ raw_spin_lock(&vector_lock);
|
|
|
|
/* Mark the inuse vectors */
|
|
|
|
for_each_irq_desc(irq, desc) {
|
|
|
|
cfg = desc->chip_data;
|
|
|
|
+
|
|
|
|
+ /*
|
|
|
|
+ * If it is a legacy IRQ handled by the legacy PIC, this cpu
|
|
|
|
+ * will be part of the irq_cfg's domain.
|
|
|
|
+ */
|
|
|
|
+ if (irq < legacy_pic->nr_legacy_irqs && !IO_APIC_IRQ(irq))
|
|
|
|
+ cpumask_set_cpu(cpu, cfg->domain);
|
|
|
|
+
|
|
|
|
if (!cpumask_test_cpu(cpu, cfg->domain))
|
|
|
|
continue;
|
|
|
|
vector = cfg->vector;
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1345,6 +1347,7 @@ void __setup_vector_irq(int cpu)
|
2010-07-07 11:12:45 +00:00
|
|
|
if (!cpumask_test_cpu(cpu, cfg->domain))
|
|
|
|
per_cpu(vector_irq, cpu)[vector] = -1;
|
|
|
|
}
|
|
|
|
+ raw_spin_unlock(&vector_lock);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct irq_chip ioapic_chip;
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1501,6 +1504,16 @@ static void setup_IO_APIC_irq(int apic_i
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
cfg = desc->chip_data;
|
|
|
|
|
|
|
|
+#ifndef CONFIG_XEN
|
|
|
|
+ /*
|
|
|
|
+ * For legacy irqs, cfg->domain starts with cpu 0 for legacy
|
|
|
|
+ * controllers like 8259. Now that IO-APIC can handle this irq, update
|
|
|
|
+ * the cfg->domain.
|
|
|
|
+ */
|
|
|
|
+ if (irq < legacy_pic->nr_legacy_irqs && cpumask_test_cpu(0, cfg->domain))
|
|
|
|
+ apic->vector_allocation_domain(0, cfg->domain);
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
if (assign_irq_vector(irq, cfg, apic->target_cpus()))
|
|
|
|
return;
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1526,8 +1539,10 @@ static void setup_IO_APIC_irq(int apic_i
|
2010-07-07 11:12:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
ioapic_register_intr(irq, desc, trigger);
|
|
|
|
- if (irq < nr_legacy_irqs)
|
|
|
|
- disable_8259A_irq(irq);
|
|
|
|
+#ifndef CONFIG_XEN
|
|
|
|
+ if (irq < legacy_pic->nr_legacy_irqs)
|
|
|
|
+ legacy_pic->chip->mask(irq);
|
|
|
|
+#endif
|
|
|
|
|
|
|
|
ioapic_write_entry(apic_id, pin, entry);
|
|
|
|
}
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1538,7 +1553,7 @@ static struct {
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
static void __init setup_IO_APIC_irqs(void)
|
|
|
|
{
|
|
|
|
- int apic_id = 0, pin, idx, irq;
|
|
|
|
+ int apic_id, pin, idx, irq;
|
|
|
|
int notcon = 0;
|
|
|
|
struct irq_desc *desc;
|
|
|
|
struct irq_cfg *cfg;
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1546,14 +1561,7 @@ static void __init setup_IO_APIC_irqs(vo
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
apic_printk(APIC_VERBOSE, KERN_DEBUG "init IO_APIC IRQs\n");
|
|
|
|
|
|
|
|
-#ifdef CONFIG_ACPI
|
|
|
|
- if (!acpi_disabled && acpi_ioapic) {
|
|
|
|
- apic_id = mp_find_ioapic(0);
|
|
|
|
- if (apic_id < 0)
|
|
|
|
- apic_id = 0;
|
|
|
|
- }
|
|
|
|
-#endif
|
|
|
|
-
|
|
|
|
+ for (apic_id = 0; apic_id < nr_ioapics; apic_id++)
|
|
|
|
for (pin = 0; pin < nr_ioapic_registers[apic_id]; pin++) {
|
|
|
|
idx = find_irq_entry(apic_id, pin, mp_INT);
|
|
|
|
if (idx == -1) {
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1575,6 +1583,9 @@ static void __init setup_IO_APIC_irqs(vo
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
irq = pin_2_irq(idx, apic_id, pin);
|
|
|
|
|
|
|
|
+ if ((apic_id > 0) && (irq > 16))
|
|
|
|
+ continue;
|
|
|
|
+
|
|
|
|
#ifdef CONFIG_XEN
|
|
|
|
if (irq < PIRQ_BASE || irq >= PIRQ_BASE + nr_pirqs)
|
|
|
|
continue;
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1608,6 +1619,60 @@ static void __init setup_IO_APIC_irqs(vo
|
2010-07-07 11:12:45 +00:00
|
|
|
" (apicid-pin) not connected\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
+/*
|
|
|
|
+ * for the gsit that is not in first ioapic
|
|
|
|
+ * but could not use acpi_register_gsi()
|
|
|
|
+ * like some special sci in IBM x3330
|
|
|
|
+ */
|
|
|
|
+void setup_IO_APIC_irq_extra(u32 gsi)
|
|
|
|
+{
|
|
|
|
+ int apic_id = 0, pin, idx, irq;
|
|
|
|
+ int node = cpu_to_node(boot_cpu_id);
|
|
|
|
+ struct irq_desc *desc;
|
|
|
|
+ struct irq_cfg *cfg;
|
|
|
|
+
|
|
|
|
+ /*
|
|
|
|
+ * Convert 'gsi' to 'ioapic.pin'.
|
|
|
|
+ */
|
|
|
|
+ apic_id = mp_find_ioapic(gsi);
|
|
|
|
+ if (apic_id < 0)
|
|
|
|
+ return;
|
|
|
|
+
|
|
|
|
+ pin = mp_find_ioapic_pin(apic_id, gsi);
|
|
|
|
+ idx = find_irq_entry(apic_id, pin, mp_INT);
|
|
|
|
+ if (idx == -1)
|
|
|
|
+ return;
|
|
|
|
+
|
|
|
|
+ irq = pin_2_irq(idx, apic_id, pin);
|
|
|
|
+#ifdef CONFIG_XEN
|
|
|
|
+ if (irq < PIRQ_BASE || irq >= PIRQ_BASE + nr_pirqs)
|
|
|
|
+ return;
|
|
|
|
+#endif
|
|
|
|
+#ifdef CONFIG_SPARSE_IRQ
|
|
|
|
+ desc = irq_to_desc(irq);
|
|
|
|
+ if (desc)
|
|
|
|
+ return;
|
|
|
|
+#endif
|
|
|
|
+ desc = irq_to_desc_alloc_node(irq, node);
|
|
|
|
+ if (!desc) {
|
|
|
|
+ printk(KERN_INFO "can not get irq_desc for %d\n", irq);
|
|
|
|
+ return;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ cfg = desc->chip_data;
|
|
|
|
+ add_pin_to_irq_node(cfg, node, apic_id, pin);
|
|
|
|
+
|
|
|
|
+ if (test_bit(pin, mp_ioapic_routing[apic_id].pin_programmed)) {
|
|
|
|
+ pr_debug("Pin %d-%d already programmed\n",
|
|
|
|
+ mp_ioapics[apic_id].apicid, pin);
|
|
|
|
+ return;
|
|
|
|
+ }
|
|
|
|
+ set_bit(pin, mp_ioapic_routing[apic_id].pin_programmed);
|
|
|
|
+
|
|
|
|
+ setup_IO_APIC_irq(apic_id, pin, irq, desc,
|
|
|
|
+ irq_trigger(idx), irq_polarity(idx));
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
#ifndef CONFIG_XEN
|
|
|
|
/*
|
|
|
|
* Set up the timer pin, possibly with the 8259A-master behind.
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1672,14 +1737,14 @@ __apicdebuginit(void) print_IO_APIC(void
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
for (apic = 0; apic < nr_ioapics; apic++) {
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
reg_00.raw = io_apic_read(apic, 0);
|
|
|
|
reg_01.raw = io_apic_read(apic, 1);
|
|
|
|
if (reg_01.bits.version >= 0x10)
|
|
|
|
reg_02.raw = io_apic_read(apic, 2);
|
|
|
|
if (reg_01.bits.version >= 0x20)
|
|
|
|
reg_03.raw = io_apic_read(apic, 3);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
|
|
|
|
printk("\n");
|
|
|
|
printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].apicid);
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1718,7 +1783,7 @@ __apicdebuginit(void) print_IO_APIC(void
|
2010-07-07 11:12:45 +00:00
|
|
|
printk(KERN_DEBUG ".... IRQ redirection table:\n");
|
|
|
|
|
|
|
|
printk(KERN_DEBUG " NR Dst Mask Trig IRR Pol"
|
|
|
|
- " Stat Dmod Deli Vect: \n");
|
|
|
|
+ " Stat Dmod Deli Vect:\n");
|
|
|
|
|
|
|
|
for (i = 0; i <= reg_01.bits.entries; i++) {
|
|
|
|
struct IO_APIC_route_entry entry;
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1896,12 +1961,12 @@ __apicdebuginit(void) print_PIC(void)
|
2010-07-07 11:12:45 +00:00
|
|
|
unsigned int v;
|
|
|
|
unsigned long flags;
|
|
|
|
|
|
|
|
- if (!nr_legacy_irqs)
|
|
|
|
+ if (!legacy_pic->nr_legacy_irqs)
|
|
|
|
return;
|
|
|
|
|
|
|
|
printk(KERN_DEBUG "\nprinting PIC contents\n");
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&i8259A_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&i8259A_lock, flags);
|
|
|
|
|
|
|
|
v = inb(0xa1) << 8 | inb(0x21);
|
|
|
|
printk(KERN_DEBUG "... PIC IMR: %04x\n", v);
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1915,7 +1980,7 @@ __apicdebuginit(void) print_PIC(void)
|
2010-07-07 11:12:45 +00:00
|
|
|
outb(0x0a,0xa0);
|
|
|
|
outb(0x0a,0x20);
|
|
|
|
|
|
|
|
- spin_unlock_irqrestore(&i8259A_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&i8259A_lock, flags);
|
|
|
|
|
|
|
|
printk(KERN_DEBUG "... PIC ISR: %04x\n", v);
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1977,13 +2042,13 @@ void __init enable_IO_APIC(void)
|
2010-07-07 11:12:45 +00:00
|
|
|
* The number of IO-APIC IRQ registers (== #pins):
|
|
|
|
*/
|
|
|
|
for (apic = 0; apic < nr_ioapics; apic++) {
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
reg_01.raw = io_apic_read(apic, 1);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
nr_ioapic_registers[apic] = reg_01.bits.entries+1;
|
|
|
|
}
|
|
|
|
|
|
|
|
- if (!nr_legacy_irqs)
|
|
|
|
+ if (!legacy_pic->nr_legacy_irqs)
|
|
|
|
return;
|
|
|
|
|
|
|
|
#ifndef CONFIG_XEN
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -2043,7 +2108,7 @@ void disable_IO_APIC(void)
|
2010-07-07 11:12:45 +00:00
|
|
|
*/
|
|
|
|
clear_IO_APIC();
|
|
|
|
|
|
|
|
- if (!nr_legacy_irqs)
|
|
|
|
+ if (!legacy_pic->nr_legacy_irqs)
|
|
|
|
return;
|
|
|
|
|
|
|
|
/*
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -2122,9 +2187,9 @@ void __init setup_ioapic_ids_from_mpc(vo
|
2010-07-07 11:12:45 +00:00
|
|
|
for (apic_id = 0; apic_id < nr_ioapics; apic_id++) {
|
|
|
|
|
|
|
|
/* Read the register 0 value */
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
reg_00.raw = io_apic_read(apic_id, 0);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
|
|
|
|
old_id = mp_ioapics[apic_id].apicid;
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -2183,16 +2248,16 @@ void __init setup_ioapic_ids_from_mpc(vo
|
2010-07-07 11:12:45 +00:00
|
|
|
mp_ioapics[apic_id].apicid);
|
|
|
|
|
|
|
|
reg_00.bits.ID = mp_ioapics[apic_id].apicid;
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
io_apic_write(apic_id, 0, reg_00.raw);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Sanity check
|
|
|
|
*/
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
reg_00.raw = io_apic_read(apic_id, 0);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
if (reg_00.bits.ID != mp_ioapics[apic_id].apicid)
|
|
|
|
printk("could not set ID!\n");
|
|
|
|
else
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -2275,15 +2340,15 @@ static unsigned int startup_ioapic_irq(u
|
2010-07-07 11:12:45 +00:00
|
|
|
unsigned long flags;
|
|
|
|
struct irq_cfg *cfg;
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
- if (irq < nr_legacy_irqs) {
|
|
|
|
- disable_8259A_irq(irq);
|
|
|
|
- if (i8259A_irq_pending(irq))
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ if (irq < legacy_pic->nr_legacy_irqs) {
|
|
|
|
+ legacy_pic->chip->mask(irq);
|
|
|
|
+ if (legacy_pic->irq_pending(irq))
|
|
|
|
was_pending = 1;
|
|
|
|
}
|
|
|
|
cfg = irq_cfg(irq);
|
|
|
|
__unmask_IO_APIC_irq(cfg);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
|
|
|
|
return was_pending;
|
|
|
|
}
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -2294,9 +2359,9 @@ static int ioapic_retrigger_irq(unsigned
|
2010-07-07 11:12:45 +00:00
|
|
|
struct irq_cfg *cfg = irq_cfg(irq);
|
|
|
|
unsigned long flags;
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&vector_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&vector_lock, flags);
|
|
|
|
apic->send_IPI_mask(cpumask_of(cpumask_first(cfg->domain)), cfg->vector);
|
|
|
|
- spin_unlock_irqrestore(&vector_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&vector_lock, flags);
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -2389,14 +2454,14 @@ set_ioapic_affinity_irq_desc(struct irq_
|
2010-07-07 11:12:45 +00:00
|
|
|
irq = desc->irq;
|
|
|
|
cfg = desc->chip_data;
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
ret = set_desc_affinity(desc, mask, &dest);
|
|
|
|
if (!ret) {
|
|
|
|
/* Only the high 8 bits are valid. */
|
|
|
|
dest = SET_APIC_LOGICAL_ID(dest);
|
|
|
|
__target_IO_APIC_irq(irq, dest, cfg);
|
|
|
|
}
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -2566,6 +2631,9 @@ void irq_force_complete_move(int irq)
|
2010-07-07 11:12:45 +00:00
|
|
|
struct irq_desc *desc = irq_to_desc(irq);
|
|
|
|
struct irq_cfg *cfg = desc->chip_data;
|
|
|
|
|
|
|
|
+ if (!cfg)
|
|
|
|
+ return;
|
|
|
|
+
|
|
|
|
__irq_complete_move(&desc, cfg->vector);
|
|
|
|
}
|
|
|
|
#else
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -2631,9 +2699,9 @@ static void eoi_ioapic_irq(struct irq_de
|
2010-07-07 11:12:45 +00:00
|
|
|
irq = desc->irq;
|
|
|
|
cfg = desc->chip_data;
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
__eoi_ioapic_irq(irq, cfg);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ack_apic_level(unsigned int irq)
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -2816,8 +2884,8 @@ static inline void init_IO_APIC_traps(vo
|
2010-07-07 11:12:45 +00:00
|
|
|
* so default to an old-fashioned 8259
|
|
|
|
* interrupt if we can..
|
|
|
|
*/
|
|
|
|
- if (irq < nr_legacy_irqs)
|
|
|
|
- make_8259A_irq(irq);
|
|
|
|
+ if (irq < legacy_pic->nr_legacy_irqs)
|
|
|
|
+ legacy_pic->make_irq(irq);
|
|
|
|
else
|
|
|
|
/* Strange. Oh, well.. */
|
|
|
|
desc->chip = &no_irq_chip;
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -2975,7 +3043,7 @@ static inline void __init check_timer(vo
|
2010-07-07 11:12:45 +00:00
|
|
|
/*
|
|
|
|
* get/set the timer IRQ vector:
|
|
|
|
*/
|
|
|
|
- disable_8259A_irq(0);
|
|
|
|
+ legacy_pic->chip->mask(0);
|
|
|
|
assign_irq_vector(0, cfg, apic->target_cpus());
|
|
|
|
|
|
|
|
/*
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -2988,7 +3056,7 @@ static inline void __init check_timer(vo
|
2010-07-07 11:12:45 +00:00
|
|
|
* automatically.
|
|
|
|
*/
|
|
|
|
apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
|
|
|
|
- init_8259A(1);
|
|
|
|
+ legacy_pic->init(1);
|
|
|
|
#ifdef CONFIG_X86_32
|
|
|
|
{
|
|
|
|
unsigned int ver;
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -3047,7 +3115,7 @@ static inline void __init check_timer(vo
|
2010-07-07 11:12:45 +00:00
|
|
|
if (timer_irq_works()) {
|
|
|
|
if (nmi_watchdog == NMI_IO_APIC) {
|
|
|
|
setup_nmi();
|
|
|
|
- enable_8259A_irq(0);
|
|
|
|
+ legacy_pic->chip->unmask(0);
|
|
|
|
}
|
|
|
|
if (disable_timer_pin_1 > 0)
|
|
|
|
clear_IO_APIC_pin(0, pin1);
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -3070,14 +3138,14 @@ static inline void __init check_timer(vo
|
2010-07-07 11:12:45 +00:00
|
|
|
*/
|
|
|
|
replace_pin_at_irq_node(cfg, node, apic1, pin1, apic2, pin2);
|
|
|
|
setup_timer_IRQ0_pin(apic2, pin2, cfg->vector);
|
|
|
|
- enable_8259A_irq(0);
|
|
|
|
+ legacy_pic->chip->unmask(0);
|
|
|
|
if (timer_irq_works()) {
|
|
|
|
apic_printk(APIC_QUIET, KERN_INFO "....... works.\n");
|
|
|
|
timer_through_8259 = 1;
|
|
|
|
if (nmi_watchdog == NMI_IO_APIC) {
|
|
|
|
- disable_8259A_irq(0);
|
|
|
|
+ legacy_pic->chip->mask(0);
|
|
|
|
setup_nmi();
|
|
|
|
- enable_8259A_irq(0);
|
|
|
|
+ legacy_pic->chip->unmask(0);
|
|
|
|
}
|
|
|
|
goto out;
|
|
|
|
}
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -3085,7 +3153,7 @@ static inline void __init check_timer(vo
|
2010-07-07 11:12:45 +00:00
|
|
|
* Cleanup, just in case ...
|
|
|
|
*/
|
|
|
|
local_irq_disable();
|
|
|
|
- disable_8259A_irq(0);
|
|
|
|
+ legacy_pic->chip->mask(0);
|
|
|
|
clear_IO_APIC_pin(apic2, pin2);
|
|
|
|
apic_printk(APIC_QUIET, KERN_INFO "....... failed.\n");
|
|
|
|
}
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -3104,22 +3172,22 @@ static inline void __init check_timer(vo
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
lapic_register_intr(0, desc);
|
|
|
|
apic_write(APIC_LVT0, APIC_DM_FIXED | cfg->vector); /* Fixed mode */
|
|
|
|
- enable_8259A_irq(0);
|
|
|
|
+ legacy_pic->chip->unmask(0);
|
|
|
|
|
|
|
|
if (timer_irq_works()) {
|
|
|
|
apic_printk(APIC_QUIET, KERN_INFO "..... works.\n");
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
local_irq_disable();
|
|
|
|
- disable_8259A_irq(0);
|
|
|
|
+ legacy_pic->chip->mask(0);
|
|
|
|
apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | cfg->vector);
|
|
|
|
apic_printk(APIC_QUIET, KERN_INFO "..... failed.\n");
|
|
|
|
|
|
|
|
apic_printk(APIC_QUIET, KERN_INFO
|
|
|
|
"...trying to set up timer as ExtINT IRQ...\n");
|
|
|
|
|
|
|
|
- init_8259A(0);
|
|
|
|
- make_8259A_irq(0);
|
|
|
|
+ legacy_pic->init(0);
|
|
|
|
+ legacy_pic->make_irq(0);
|
|
|
|
apic_write(APIC_LVT0, APIC_DM_EXTINT);
|
|
|
|
|
|
|
|
unlock_ExtINT_logic();
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -3168,7 +3236,7 @@ void __init setup_IO_APIC(void)
|
2010-07-07 11:12:45 +00:00
|
|
|
* calling enable_IO_APIC() is moved to setup_local_APIC for BP
|
|
|
|
*/
|
|
|
|
#endif
|
|
|
|
- io_apic_irqs = nr_legacy_irqs ? ~PIC_IRQS : ~0UL;
|
|
|
|
+ io_apic_irqs = legacy_pic->nr_legacy_irqs ? ~PIC_IRQS : ~0UL;
|
|
|
|
|
|
|
|
apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n");
|
|
|
|
/*
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -3181,7 +3249,7 @@ void __init setup_IO_APIC(void)
|
2010-07-07 11:12:45 +00:00
|
|
|
#endif
|
|
|
|
setup_IO_APIC_irqs();
|
|
|
|
init_IO_APIC_traps();
|
|
|
|
- if (nr_legacy_irqs)
|
|
|
|
+ if (legacy_pic->nr_legacy_irqs)
|
|
|
|
check_timer();
|
|
|
|
}
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -3239,13 +3307,13 @@ static int ioapic_resume(struct sys_devi
|
2010-07-07 11:12:45 +00:00
|
|
|
data = container_of(dev, struct sysfs_ioapic_data, dev);
|
|
|
|
entry = data->entry;
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
reg_00.raw = io_apic_read(dev->id, 0);
|
|
|
|
if (reg_00.bits.ID != mp_ioapics[dev->id].apicid) {
|
|
|
|
reg_00.bits.ID = mp_ioapics[dev->id].apicid;
|
|
|
|
io_apic_write(dev->id, 0, reg_00.raw);
|
|
|
|
}
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
for (i = 0; i < nr_ioapic_registers[dev->id]; i++)
|
|
|
|
ioapic_write_entry(dev->id, i, entry[i]);
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -3308,7 +3376,7 @@ unsigned int create_irq_nr(unsigned int
|
2010-07-07 11:12:45 +00:00
|
|
|
if (irq_want < nr_irqs_gsi)
|
|
|
|
irq_want = nr_irqs_gsi;
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&vector_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&vector_lock, flags);
|
|
|
|
for (new = irq_want; new < nr_irqs; new++) {
|
|
|
|
desc_new = irq_to_desc_alloc_node(new, node);
|
|
|
|
if (!desc_new) {
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -3327,14 +3395,11 @@ unsigned int create_irq_nr(unsigned int
|
2010-07-07 11:12:45 +00:00
|
|
|
irq = new;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
- spin_unlock_irqrestore(&vector_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&vector_lock, flags);
|
|
|
|
+
|
|
|
|
+ if (irq > 0)
|
|
|
|
+ dynamic_irq_init_keep_chip_data(irq);
|
|
|
|
|
|
|
|
- if (irq > 0) {
|
|
|
|
- dynamic_irq_init(irq);
|
|
|
|
- /* restore it, in case dynamic_irq_init clear it */
|
|
|
|
- if (desc_new)
|
|
|
|
- desc_new->chip_data = cfg_new;
|
|
|
|
- }
|
|
|
|
return irq;
|
|
|
|
}
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -3356,20 +3421,13 @@ int create_irq(void)
|
2010-07-07 11:12:45 +00:00
|
|
|
void destroy_irq(unsigned int irq)
|
|
|
|
{
|
|
|
|
unsigned long flags;
|
|
|
|
- struct irq_cfg *cfg;
|
|
|
|
- struct irq_desc *desc;
|
|
|
|
|
|
|
|
- /* store it, in case dynamic_irq_cleanup clear it */
|
|
|
|
- desc = irq_to_desc(irq);
|
|
|
|
- cfg = desc->chip_data;
|
|
|
|
- dynamic_irq_cleanup(irq);
|
|
|
|
- /* connect back irq_cfg */
|
|
|
|
- desc->chip_data = cfg;
|
|
|
|
+ dynamic_irq_cleanup_keep_chip_data(irq);
|
|
|
|
|
|
|
|
free_irte(irq);
|
|
|
|
- spin_lock_irqsave(&vector_lock, flags);
|
|
|
|
- __clear_irq_vector(irq, cfg);
|
|
|
|
- spin_unlock_irqrestore(&vector_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&vector_lock, flags);
|
|
|
|
+ __clear_irq_vector(irq, get_irq_chip_data(irq));
|
|
|
|
+ raw_spin_unlock_irqrestore(&vector_lock, flags);
|
|
|
|
}
|
2011-04-19 20:09:59 +00:00
|
|
|
#endif /* !CONFIG_XEN */
|
2010-07-07 11:12:45 +00:00
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -3907,9 +3965,9 @@ int __init io_apic_get_redir_entries (in
|
2010-07-07 11:12:45 +00:00
|
|
|
union IO_APIC_reg_01 reg_01;
|
|
|
|
unsigned long flags;
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
reg_01.raw = io_apic_read(ioapic, 1);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
|
|
|
|
return reg_01.bits.entries;
|
|
|
|
}
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -4001,7 +4059,7 @@ static int __io_apic_set_pci_routing(str
|
2010-07-07 11:12:45 +00:00
|
|
|
/*
|
|
|
|
* IRQs < 16 are already in the irq_2_pin[] map
|
|
|
|
*/
|
|
|
|
- if (irq >= nr_legacy_irqs) {
|
|
|
|
+ if (irq >= legacy_pic->nr_legacy_irqs) {
|
|
|
|
cfg = desc->chip_data;
|
|
|
|
if (add_pin_to_irq_node_nopanic(cfg, node, ioapic, pin)) {
|
|
|
|
printk(KERN_INFO "can not add pin %d for irq %d\n",
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -4082,9 +4140,9 @@ int __init io_apic_get_unique_id(int ioa
|
2010-07-07 11:12:45 +00:00
|
|
|
if (physids_empty(apic_id_map))
|
|
|
|
apic->ioapic_phys_id_map(&phys_cpu_present_map, &apic_id_map);
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
reg_00.raw = io_apic_read(ioapic, 0);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
|
|
|
|
if (apic_id >= get_physical_broadcast()) {
|
|
|
|
printk(KERN_WARNING "IOAPIC[%d]: Invalid apic_id %d, trying "
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -4118,10 +4176,10 @@ int __init io_apic_get_unique_id(int ioa
|
2010-07-07 11:12:45 +00:00
|
|
|
if (reg_00.bits.ID != apic_id) {
|
|
|
|
reg_00.bits.ID = apic_id;
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
io_apic_write(ioapic, 0, reg_00.raw);
|
|
|
|
reg_00.raw = io_apic_read(ioapic, 0);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
|
|
|
|
/* Sanity check */
|
|
|
|
if (reg_00.bits.ID != apic_id) {
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -4142,9 +4200,9 @@ int __init io_apic_get_version(int ioapi
|
2010-07-07 11:12:45 +00:00
|
|
|
union IO_APIC_reg_01 reg_01;
|
|
|
|
unsigned long flags;
|
|
|
|
|
|
|
|
- spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_lock_irqsave(&ioapic_lock, flags);
|
|
|
|
reg_01.raw = io_apic_read(ioapic, 1);
|
|
|
|
- spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
+ raw_spin_unlock_irqrestore(&ioapic_lock, flags);
|
|
|
|
|
|
|
|
return reg_01.bits.version;
|
|
|
|
}
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -4177,27 +4235,23 @@ int acpi_get_override_irq(int bus_irq, i
|
2010-07-07 11:12:45 +00:00
|
|
|
#ifdef CONFIG_SMP
|
|
|
|
void __init setup_ioapic_dest(void)
|
|
|
|
{
|
|
|
|
- int pin, ioapic = 0, irq, irq_entry;
|
|
|
|
+ int pin, ioapic, irq, irq_entry;
|
|
|
|
struct irq_desc *desc;
|
|
|
|
const struct cpumask *mask;
|
|
|
|
|
|
|
|
if (skip_ioapic_setup == 1)
|
|
|
|
return;
|
|
|
|
|
|
|
|
-#ifdef CONFIG_ACPI
|
|
|
|
- if (!acpi_disabled && acpi_ioapic) {
|
|
|
|
- ioapic = mp_find_ioapic(0);
|
|
|
|
- if (ioapic < 0)
|
|
|
|
- ioapic = 0;
|
|
|
|
- }
|
|
|
|
-#endif
|
|
|
|
-
|
|
|
|
+ for (ioapic = 0; ioapic < nr_ioapics; ioapic++)
|
|
|
|
for (pin = 0; pin < nr_ioapic_registers[ioapic]; pin++) {
|
|
|
|
irq_entry = find_irq_entry(ioapic, pin, mp_INT);
|
|
|
|
if (irq_entry == -1)
|
|
|
|
continue;
|
|
|
|
irq = pin_2_irq(irq_entry, ioapic, pin);
|
|
|
|
|
|
|
|
+ if ((ioapic > 0) && (irq > 16))
|
|
|
|
+ continue;
|
|
|
|
+
|
|
|
|
desc = irq_to_desc(irq);
|
|
|
|
|
|
|
|
/*
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -4385,3 +4439,26 @@ void __init mp_register_ioapic(int id, u
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
nr_ioapics++;
|
|
|
|
}
|
|
|
|
+
|
|
|
|
+#ifdef CONFIG_X86_MRST
|
|
|
|
+/* Enable IOAPIC early just for system timer */
|
|
|
|
+void __init pre_init_apic_IRQ0(void)
|
|
|
|
+{
|
|
|
|
+ struct irq_cfg *cfg;
|
|
|
|
+ struct irq_desc *desc;
|
|
|
|
+
|
|
|
|
+ printk(KERN_INFO "Early APIC setup for system timer0\n");
|
|
|
|
+#ifndef CONFIG_SMP
|
|
|
|
+ phys_cpu_present_map = physid_mask_of_physid(boot_cpu_physical_apicid);
|
|
|
|
+#endif
|
|
|
|
+ desc = irq_to_desc_alloc_node(0, 0);
|
|
|
|
+
|
|
|
|
+ setup_local_APIC();
|
|
|
|
+
|
|
|
|
+ cfg = irq_cfg(0);
|
|
|
|
+ add_pin_to_irq_node(cfg, 0, 0, 0);
|
|
|
|
+ set_irq_chip_and_handler_name(0, &ioapic_chip, handle_edge_irq, "edge");
|
|
|
|
+
|
|
|
|
+ setup_IO_APIC_irq(0, 0, 0, desc, 0, 0);
|
|
|
|
+}
|
|
|
|
+#endif
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/cpu/intel.c 2011-02-01 14:44:12.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/cpu/intel.c 2011-02-01 15:03:03.000000000 +0100
|
|
|
|
@@ -60,6 +60,9 @@ static void __cpuinit early_init_intel(s
|
|
|
|
* need the microcode to have already been loaded... so if it is
|
|
|
|
* not, recommend a BIOS update and disable large pages.
|
|
|
|
*/
|
|
|
|
+#ifdef CONFIG_XEN
|
|
|
|
+ if (cpu_has(c, X86_FEATURE_PSE))
|
|
|
|
+#endif
|
|
|
|
if (c->x86 == 6 && c->x86_model == 0x1c && c->x86_mask <= 2) {
|
|
|
|
u32 ucode, junk;
|
|
|
|
|
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/cpu/intel_cacheinfo.c 2011-02-08 10:04:17.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/cpu/intel_cacheinfo.c 2011-02-08 10:06:37.000000000 +0100
|
|
|
|
@@ -309,7 +309,7 @@ struct _cache_attr {
|
2010-07-07 11:12:45 +00:00
|
|
|
ssize_t (*store)(struct _cpuid4_info *, const char *, size_t count);
|
|
|
|
};
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
-#ifdef CONFIG_AMD_NB
|
|
|
|
+#if defined(CONFIG_AMD_NB) && !defined(CONFIG_XEN)
|
|
|
|
|
|
|
|
/*
|
|
|
|
* L3 cache descriptors
|
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/cpu/mcheck/mce_dom0.c 2011-02-01 14:50:44.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/cpu/mcheck/mce_dom0.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -1,6 +1,7 @@
|
|
|
|
#include <linux/init.h>
|
|
|
|
#include <linux/types.h>
|
|
|
|
#include <linux/kernel.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <xen/interface/xen.h>
|
|
|
|
#include <xen/evtchn.h>
|
|
|
|
#include <xen/interface/vcpu.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/cpu/mtrr/main-xen.c 2011-02-01 14:54:13.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/cpu/mtrr/main-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -25,12 +25,12 @@ void generic_get_mtrr(unsigned int reg,
|
|
|
|
*type = op.u.read_memtype.type;
|
|
|
|
}
|
|
|
|
|
|
|
|
-struct mtrr_ops generic_mtrr_ops = {
|
|
|
|
+const struct mtrr_ops generic_mtrr_ops = {
|
|
|
|
.use_intel_if = 1,
|
|
|
|
.get = generic_get_mtrr,
|
|
|
|
};
|
|
|
|
|
|
|
|
-struct mtrr_ops *mtrr_if = &generic_mtrr_ops;
|
|
|
|
+const struct mtrr_ops *mtrr_if = &generic_mtrr_ops;
|
|
|
|
unsigned int num_var_ranges;
|
|
|
|
unsigned int mtrr_usage_table[MTRR_MAX_VAR_RANGES];
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/e820-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/e820-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -12,17 +12,10 @@
|
|
|
|
#include <linux/types.h>
|
|
|
|
#include <linux/init.h>
|
|
|
|
#include <linux/bootmem.h>
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-#include <linux/ioport.h>
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-#include <linux/string.h>
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-#include <linux/kexec.h>
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-#include <linux/module.h>
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-#include <linux/mm.h>
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#include <linux/pfn.h>
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#include <linux/suspend.h>
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#include <linux/firmware-map.h>
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-#include <asm/pgtable.h>
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-#include <asm/page.h>
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#include <asm/e820.h>
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#include <asm/proto.h>
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#include <asm/setup.h>
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@@ -550,31 +543,55 @@ u64 __init e820_remove_range(u64 start,
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int checktype)
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{
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int i;
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+ u64 end;
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u64 real_removed_size = 0;
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if (size > (ULLONG_MAX - start))
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size = ULLONG_MAX - start;
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+ end = start + size;
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+ printk(KERN_DEBUG "e820 remove range: %016Lx - %016Lx ",
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+ (unsigned long long) start,
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+ (unsigned long long) end);
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+ if (checktype)
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+ e820_print_type(old_type);
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+ printk(KERN_CONT "\n");
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+
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for (i = 0; i < e820.nr_map; i++) {
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struct e820entry *ei = &e820.map[i];
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u64 final_start, final_end;
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+ u64 ei_end;
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if (checktype && ei->type != old_type)
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continue;
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+
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+ ei_end = ei->addr + ei->size;
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/* totally covered? */
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- if (ei->addr >= start &&
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- (ei->addr + ei->size) <= (start + size)) {
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+ if (ei->addr >= start && ei_end <= end) {
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real_removed_size += ei->size;
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memset(ei, 0, sizeof(struct e820entry));
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continue;
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}
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+
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+ /* new range is totally covered? */
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+ if (ei->addr < start && ei_end > end) {
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+ e820_add_region(end, ei_end - end, ei->type);
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+ ei->size = start - ei->addr;
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+ real_removed_size += size;
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+ continue;
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+ }
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+
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/* partially covered */
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final_start = max(start, ei->addr);
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- final_end = min(start + size, ei->addr + ei->size);
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+ final_end = min(end, ei_end);
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if (final_start >= final_end)
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continue;
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real_removed_size += final_end - final_start;
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+ /*
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+ * left range could be head or tail, so need to update
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+ * size at first.
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+ */
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ei->size -= final_end - final_start;
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if (ei->addr < final_start)
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continue;
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@@ -769,320 +786,44 @@ core_initcall(e820_mark_nvs_memory);
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#endif
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/*
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- * Early reserved memory areas.
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- */
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-#define MAX_EARLY_RES 32
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-
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-struct early_res {
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- u64 start, end;
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- char name[16];
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- char overlap_ok;
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-};
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-static struct early_res early_res[MAX_EARLY_RES] __initdata = {
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-#ifndef CONFIG_XEN
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- { 0, PAGE_SIZE, "BIOS data page", 1 }, /* BIOS data page */
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-#if defined(CONFIG_X86_32) && defined(CONFIG_X86_TRAMPOLINE)
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- /*
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- * But first pinch a few for the stack/trampoline stuff
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- * FIXME: Don't need the extra page at 4K, but need to fix
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- * trampoline before removing it. (see the GDT stuff)
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- */
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- { PAGE_SIZE, PAGE_SIZE + PAGE_SIZE, "EX TRAMPOLINE", 1 },
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-#endif
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-#endif
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- {}
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-};
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-
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-static int __init find_overlapped_early(u64 start, u64 end)
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-{
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- int i;
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- struct early_res *r;
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-
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- for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
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- r = &early_res[i];
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- if (end > r->start && start < r->end)
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- break;
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- }
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-
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- return i;
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-}
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-
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-/*
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- * Drop the i-th range from the early reservation map,
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- * by copying any higher ranges down one over it, and
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- * clearing what had been the last slot.
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- */
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-static void __init drop_range(int i)
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-{
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- int j;
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-
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- for (j = i + 1; j < MAX_EARLY_RES && early_res[j].end; j++)
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- ;
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-
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- memmove(&early_res[i], &early_res[i + 1],
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- (j - 1 - i) * sizeof(struct early_res));
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-
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- early_res[j - 1].end = 0;
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-}
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-
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-/*
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- * Split any existing ranges that:
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- * 1) are marked 'overlap_ok', and
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- * 2) overlap with the stated range [start, end)
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- * into whatever portion (if any) of the existing range is entirely
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- * below or entirely above the stated range. Drop the portion
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- * of the existing range that overlaps with the stated range,
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- * which will allow the caller of this routine to then add that
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- * stated range without conflicting with any existing range.
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+ * Find a free area with specified alignment in a specific range.
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*/
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-static void __init drop_overlaps_that_are_ok(u64 start, u64 end)
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+u64 __init find_e820_area(u64 start, u64 end, u64 size, u64 align)
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{
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int i;
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- struct early_res *r;
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- u64 lower_start, lower_end;
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- u64 upper_start, upper_end;
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- char name[16];
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- for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
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- r = &early_res[i];
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+ for (i = 0; i < e820.nr_map; i++) {
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+ struct e820entry *ei = &e820.map[i];
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+ u64 addr;
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+ u64 ei_start, ei_last;
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- /* Continue past non-overlapping ranges */
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- if (end <= r->start || start >= r->end)
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+ if (ei->type != E820_RAM)
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continue;
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- /*
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- * Leave non-ok overlaps as is; let caller
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- * panic "Overlapping early reservations"
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- * when it hits this overlap.
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- */
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- if (!r->overlap_ok)
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- return;
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-
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- /*
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- * We have an ok overlap. We will drop it from the early
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- * reservation map, and add back in any non-overlapping
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- * portions (lower or upper) as separate, overlap_ok,
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- * non-overlapping ranges.
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- */
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-
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- /* 1. Note any non-overlapping (lower or upper) ranges. */
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- strncpy(name, r->name, sizeof(name) - 1);
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-
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- lower_start = lower_end = 0;
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- upper_start = upper_end = 0;
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- if (r->start < start) {
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- lower_start = r->start;
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- lower_end = start;
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- }
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- if (r->end > end) {
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- upper_start = end;
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- upper_end = r->end;
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- }
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-
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- /* 2. Drop the original ok overlapping range */
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- drop_range(i);
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-
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- i--; /* resume for-loop on copied down entry */
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-
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- /* 3. Add back in any non-overlapping ranges. */
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- if (lower_end)
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- reserve_early_overlap_ok(lower_start, lower_end, name);
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- if (upper_end)
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- reserve_early_overlap_ok(upper_start, upper_end, name);
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- }
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-}
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-
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-static void __init __reserve_early(u64 start, u64 end, char *name,
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- int overlap_ok)
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-{
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- int i;
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- struct early_res *r;
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-
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- i = find_overlapped_early(start, end);
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- if (i >= MAX_EARLY_RES)
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- panic("Too many early reservations");
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- r = &early_res[i];
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- if (r->end)
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- panic("Overlapping early reservations "
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- "%llx-%llx %s to %llx-%llx %s\n",
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- start, end - 1, name?name:"", r->start,
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- r->end - 1, r->name);
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- r->start = start;
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- r->end = end;
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- r->overlap_ok = overlap_ok;
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- if (name)
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- strncpy(r->name, name, sizeof(r->name) - 1);
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-}
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-
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-/*
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- * A few early reservtations come here.
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- *
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- * The 'overlap_ok' in the name of this routine does -not- mean it
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- * is ok for these reservations to overlap an earlier reservation.
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- * Rather it means that it is ok for subsequent reservations to
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- * overlap this one.
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- *
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- * Use this entry point to reserve early ranges when you are doing
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- * so out of "Paranoia", reserving perhaps more memory than you need,
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- * just in case, and don't mind a subsequent overlapping reservation
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- * that is known to be needed.
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- *
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- * The drop_overlaps_that_are_ok() call here isn't really needed.
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- * It would be needed if we had two colliding 'overlap_ok'
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- * reservations, so that the second such would not panic on the
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- * overlap with the first. We don't have any such as of this
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- * writing, but might as well tolerate such if it happens in
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- * the future.
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- */
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-void __init reserve_early_overlap_ok(u64 start, u64 end, char *name)
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-{
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- drop_overlaps_that_are_ok(start, end);
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- __reserve_early(start, end, name, 1);
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-}
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-
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-/*
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- * Most early reservations come here.
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- *
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- * We first have drop_overlaps_that_are_ok() drop any pre-existing
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- * 'overlap_ok' ranges, so that we can then reserve this memory
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- * range without risk of panic'ing on an overlapping overlap_ok
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- * early reservation.
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- */
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-void __init reserve_early(u64 start, u64 end, char *name)
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-{
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- if (start >= end)
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- return;
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-
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- drop_overlaps_that_are_ok(start, end);
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- __reserve_early(start, end, name, 0);
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-}
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-
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-void __init free_early(u64 start, u64 end)
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-{
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- struct early_res *r;
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- int i;
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-
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- i = find_overlapped_early(start, end);
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- r = &early_res[i];
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- if (i >= MAX_EARLY_RES || r->end != end || r->start != start)
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- panic("free_early on not reserved area: %llx-%llx!",
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- start, end - 1);
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-
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- drop_range(i);
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-}
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-
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-void __init early_res_to_bootmem(u64 start, u64 end)
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-{
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- int i, count;
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- u64 final_start, final_end;
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-
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- count = 0;
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- for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++)
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- count++;
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-
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- printk(KERN_INFO "(%d early reservations) ==> bootmem [%010llx - %010llx]\n",
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- count, start, end);
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- for (i = 0; i < count; i++) {
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- struct early_res *r = &early_res[i];
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- printk(KERN_INFO " #%d [%010llx - %010llx] %16s", i,
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- r->start, r->end, r->name);
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- final_start = max(start, r->start);
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- final_end = min(end, r->end);
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- if (final_start >= final_end) {
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- printk(KERN_CONT "\n");
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- continue;
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- }
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- printk(KERN_CONT " ==> [%010llx - %010llx]\n",
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- final_start, final_end);
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- reserve_bootmem_generic(final_start, final_end - final_start,
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- BOOTMEM_DEFAULT);
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- }
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-}
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+ ei_last = ei->addr + ei->size;
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+ ei_start = ei->addr;
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+ addr = find_early_area(ei_start, ei_last, start, end,
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+ size, align);
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-/* Check for already reserved areas */
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-static inline int __init bad_addr(u64 *addrp, u64 size, u64 align)
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-{
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- int i;
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- u64 addr = *addrp;
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- int changed = 0;
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- struct early_res *r;
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-again:
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- i = find_overlapped_early(addr, addr + size);
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- r = &early_res[i];
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- if (i < MAX_EARLY_RES && r->end) {
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- *addrp = addr = round_up(r->end, align);
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- changed = 1;
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- goto again;
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+ if (addr != -1ULL)
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+ return addr;
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}
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- return changed;
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+ return -1ULL;
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}
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-/* Check for already reserved areas */
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-static inline int __init bad_addr_size(u64 *addrp, u64 *sizep, u64 align)
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+u64 __init find_fw_memmap_area(u64 start, u64 end, u64 size, u64 align)
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{
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- int i;
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- u64 addr = *addrp, last;
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- u64 size = *sizep;
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- int changed = 0;
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-again:
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- last = addr + size;
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- for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
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- struct early_res *r = &early_res[i];
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- if (last > r->start && addr < r->start) {
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- size = r->start - addr;
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- changed = 1;
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|
|
- goto again;
|
|
|
|
- }
|
|
|
|
- if (last > r->end && addr < r->end) {
|
|
|
|
- addr = round_up(r->end, align);
|
|
|
|
- size = last - addr;
|
|
|
|
- changed = 1;
|
|
|
|
- goto again;
|
|
|
|
- }
|
|
|
|
- if (last <= r->end && addr >= r->start) {
|
|
|
|
- (*sizep)++;
|
|
|
|
- return 0;
|
|
|
|
- }
|
|
|
|
- }
|
|
|
|
- if (changed) {
|
|
|
|
- *addrp = addr;
|
|
|
|
- *sizep = size;
|
|
|
|
- }
|
|
|
|
- return changed;
|
|
|
|
+ return find_e820_area(start, end, size, align);
|
|
|
|
}
|
|
|
|
|
|
|
|
-/*
|
|
|
|
- * Find a free area with specified alignment in a specific range.
|
|
|
|
- */
|
|
|
|
-u64 __init find_e820_area(u64 start, u64 end, u64 size, u64 align)
|
|
|
|
+u64 __init get_max_mapped(void)
|
|
|
|
{
|
|
|
|
- int i;
|
|
|
|
+ u64 end = max_pfn_mapped;
|
|
|
|
|
|
|
|
- for (i = 0; i < e820.nr_map; i++) {
|
|
|
|
- struct e820entry *ei = &e820.map[i];
|
|
|
|
- u64 addr, last;
|
|
|
|
- u64 ei_last;
|
|
|
|
+ end <<= PAGE_SHIFT;
|
|
|
|
|
|
|
|
- if (ei->type != E820_RAM)
|
|
|
|
- continue;
|
|
|
|
- addr = round_up(ei->addr, align);
|
|
|
|
- ei_last = ei->addr + ei->size;
|
|
|
|
- if (addr < start)
|
|
|
|
- addr = round_up(start, align);
|
|
|
|
- if (addr >= ei_last)
|
|
|
|
- continue;
|
|
|
|
- while (bad_addr(&addr, size, align) && addr+size <= ei_last)
|
|
|
|
- ;
|
|
|
|
- last = addr + size;
|
|
|
|
- if (last > ei_last)
|
|
|
|
- continue;
|
|
|
|
- if (last > end)
|
|
|
|
- continue;
|
|
|
|
- return addr;
|
|
|
|
- }
|
|
|
|
- return -1ULL;
|
|
|
|
+ return end;
|
|
|
|
}
|
|
|
|
-
|
|
|
|
/*
|
|
|
|
* Find next free range after *start
|
|
|
|
*/
|
|
|
|
@@ -1092,25 +833,19 @@ u64 __init find_e820_area_size(u64 start
|
|
|
|
|
|
|
|
for (i = 0; i < e820.nr_map; i++) {
|
|
|
|
struct e820entry *ei = &e820.map[i];
|
|
|
|
- u64 addr, last;
|
|
|
|
- u64 ei_last;
|
|
|
|
+ u64 addr;
|
|
|
|
+ u64 ei_start, ei_last;
|
|
|
|
|
|
|
|
if (ei->type != E820_RAM)
|
|
|
|
continue;
|
|
|
|
- addr = round_up(ei->addr, align);
|
|
|
|
+
|
|
|
|
ei_last = ei->addr + ei->size;
|
|
|
|
- if (addr < start)
|
|
|
|
- addr = round_up(start, align);
|
|
|
|
- if (addr >= ei_last)
|
|
|
|
- continue;
|
|
|
|
- *sizep = ei_last - addr;
|
|
|
|
- while (bad_addr_size(&addr, sizep, align) &&
|
|
|
|
- addr + *sizep <= ei_last)
|
|
|
|
- ;
|
|
|
|
- last = addr + *sizep;
|
|
|
|
- if (last > ei_last)
|
|
|
|
- continue;
|
|
|
|
- return addr;
|
|
|
|
+ ei_start = ei->addr;
|
|
|
|
+ addr = find_early_area_size(ei_start, ei_last, start,
|
|
|
|
+ sizep, align);
|
|
|
|
+
|
|
|
|
+ if (addr != -1ULL)
|
|
|
|
+ return addr;
|
|
|
|
}
|
|
|
|
|
|
|
|
return -1ULL;
|
|
|
|
@@ -1544,6 +1279,8 @@ void __init e820_reserve_resources_late(
|
|
|
|
end = MAX_RESOURCE_SIZE;
|
|
|
|
if (start >= end)
|
|
|
|
continue;
|
|
|
|
+ printk(KERN_DEBUG "reserve RAM buffer: %016llx - %016llx ",
|
|
|
|
+ start, end);
|
|
|
|
reserve_region_with_split(&iomem_resource, start, end,
|
|
|
|
"RAM buffer");
|
|
|
|
}
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/head32-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/head32-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -7,6 +7,7 @@
|
|
|
|
|
|
|
|
#include <linux/init.h>
|
|
|
|
#include <linux/start_kernel.h>
|
|
|
|
+#include <linux/mm.h>
|
|
|
|
|
|
|
|
#include <asm/setup.h>
|
|
|
|
#include <asm/sections.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -48,15 +49,26 @@ void __init i386_start_kernel(void)
|
|
|
|
BUG_ON(pte_index(hypervisor_virt_start));
|
|
|
|
#endif
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
+#ifdef CONFIG_X86_TRAMPOLINE
|
|
|
|
+ /*
|
|
|
|
+ * But first pinch a few for the stack/trampoline stuff
|
|
|
|
+ * FIXME: Don't need the extra page at 4K, but need to fix
|
|
|
|
+ * trampoline before removing it. (see the GDT stuff)
|
|
|
|
+ */
|
|
|
|
+ reserve_early_overlap_ok(PAGE_SIZE, PAGE_SIZE + PAGE_SIZE,
|
|
|
|
+ "EX TRAMPOLINE");
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
reserve_early(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS");
|
|
|
|
|
|
|
|
#ifndef CONFIG_XEN
|
|
|
|
#ifdef CONFIG_BLK_DEV_INITRD
|
|
|
|
/* Reserve INITRD */
|
|
|
|
if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
|
|
|
|
+ /* Assume only end is not page aligned */
|
|
|
|
u64 ramdisk_image = boot_params.hdr.ramdisk_image;
|
|
|
|
u64 ramdisk_size = boot_params.hdr.ramdisk_size;
|
|
|
|
- u64 ramdisk_end = ramdisk_image + ramdisk_size;
|
|
|
|
+ u64 ramdisk_end = PAGE_ALIGN(ramdisk_image + ramdisk_size);
|
|
|
|
reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
|
|
|
|
}
|
|
|
|
#endif
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/head_32-xen.S 2011-03-03 16:24:06.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/head_32-xen.S 2011-03-03 16:24:36.000000000 +0100
|
|
|
|
@@ -65,8 +65,8 @@ ENTRY(startup_32)
|
2010-07-07 11:12:45 +00:00
|
|
|
* The linker can't handle this by relocation. Manually set
|
|
|
|
* base address in stack canary segment descriptor.
|
|
|
|
*/
|
|
|
|
- movl $per_cpu__gdt_page,%eax
|
|
|
|
- movl $per_cpu__stack_canary,%ecx
|
|
|
|
+ movl $gdt_page,%eax
|
|
|
|
+ movl $stack_canary,%ecx
|
|
|
|
movw %cx, 8 * GDT_ENTRY_STACK_CANARY + 2(%eax)
|
|
|
|
shrl $16, %ecx
|
|
|
|
movb %cl, 8 * GDT_ENTRY_STACK_CANARY + 4(%eax)
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -77,7 +77,7 @@ ENTRY(startup_32)
|
2010-07-07 11:12:45 +00:00
|
|
|
# need to be preserved.
|
|
|
|
|
|
|
|
movl XEN_START_mfn_list(%esi), %ebx
|
|
|
|
- movl $(per_cpu__gdt_page - __PAGE_OFFSET), %eax
|
|
|
|
+ movl $(gdt_page - __PAGE_OFFSET), %eax
|
|
|
|
shrl $PAGE_SHIFT, %eax
|
|
|
|
movl (%ebx,%eax,4), %ecx
|
|
|
|
pushl %ecx # frame number for set_gdt below
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -87,7 +87,7 @@ ENTRY(startup_32)
|
2010-07-07 11:12:45 +00:00
|
|
|
shldl $PAGE_SHIFT, %ecx, %edx
|
|
|
|
shll $PAGE_SHIFT, %ecx
|
|
|
|
orl $_PAGE_PRESENT|_PAGE_ACCESSED|_PAGE_DIRTY, %ecx
|
|
|
|
- movl $per_cpu__gdt_page, %ebx
|
|
|
|
+ movl $gdt_page, %ebx
|
|
|
|
movl $__HYPERVISOR_update_va_mapping, %eax
|
|
|
|
int $0x82
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/ldt-xen.c 2011-02-01 14:54:13.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/ldt-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -7,6 +7,7 @@
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <linux/errno.h>
|
|
|
|
+#include <linux/gfp.h>
|
|
|
|
#include <linux/sched.h>
|
|
|
|
#include <linux/string.h>
|
|
|
|
#include <linux/mm.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/mpparse-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/mpparse-xen.c 2011-02-01 15:03:03.000000000 +0100
|
|
|
|
@@ -691,7 +691,7 @@ static void __init smp_reserve_memory(st
|
2010-07-07 11:12:45 +00:00
|
|
|
{
|
|
|
|
unsigned long size = get_mpc_size(mpf->physptr);
|
|
|
|
|
|
|
|
- reserve_early(mpf->physptr, mpf->physptr+size, "MP-table mpc");
|
|
|
|
+ reserve_early_overlap_ok(mpf->physptr, mpf->physptr+size, "MP-table mpc");
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -724,7 +724,7 @@ static int __init smp_scan_config(unsign
|
2010-07-07 11:12:45 +00:00
|
|
|
mpf, (u64)virt_to_phys(mpf));
|
|
|
|
|
|
|
|
mem = virt_to_phys(mpf);
|
|
|
|
- reserve_early(mem, mem + sizeof(*mpf), "MP-table mpf");
|
|
|
|
+ reserve_early_overlap_ok(mem, mem + sizeof(*mpf), "MP-table mpf");
|
|
|
|
if (mpf->physptr)
|
|
|
|
smp_reserve_memory(mpf);
|
|
|
|
#else
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/pci-dma-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/pci-dma-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -2,6 +2,7 @@
|
|
|
|
#include <linux/dma-debug.h>
|
|
|
|
#include <linux/dmar.h>
|
|
|
|
#include <linux/bootmem.h>
|
|
|
|
+#include <linux/gfp.h>
|
|
|
|
#include <linux/pci.h>
|
|
|
|
#include <linux/kmemleak.h>
|
|
|
|
|
|
|
|
@@ -38,7 +39,7 @@ int iommu_detected __read_mostly = 0;
|
|
|
|
* This variable becomes 1 if iommu=pt is passed on the kernel command line.
|
|
|
|
* If this variable is 1, IOMMU implementations do no DMA translation for
|
|
|
|
* devices and allow every device to access to whole physical memory. This is
|
|
|
|
- * useful if a user want to use an IOMMU only for KVM device assignment to
|
|
|
|
+ * useful if a user wants to use an IOMMU only for KVM device assignment to
|
|
|
|
* guests and not for driver dma translation.
|
|
|
|
*/
|
|
|
|
int iommu_pass_through __read_mostly;
|
|
|
|
@@ -65,7 +66,7 @@ int dma_set_mask(struct device *dev, u64
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(dma_set_mask);
|
|
|
|
|
|
|
|
-#if defined(CONFIG_X86_64) && !defined(CONFIG_XEN)
|
|
|
|
+#if defined(CONFIG_X86_64) && !defined(CONFIG_NUMA) && !defined(CONFIG_XEN)
|
|
|
|
static __initdata void *dma32_bootmem_ptr;
|
|
|
|
static unsigned long dma32_bootmem_size __initdata = (128ULL<<20);
|
|
|
|
|
|
|
|
@@ -116,6 +117,14 @@ static void __init dma32_free_bootmem(vo
|
|
|
|
dma32_bootmem_ptr = NULL;
|
|
|
|
dma32_bootmem_size = 0;
|
|
|
|
}
|
|
|
|
+#else
|
|
|
|
+void __init dma32_reserve_bootmem(void)
|
|
|
|
+{
|
|
|
|
+}
|
|
|
|
+static void __init dma32_free_bootmem(void)
|
|
|
|
+{
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static struct dma_map_ops swiotlb_dma_ops = {
|
|
|
|
@@ -137,10 +146,9 @@ static struct dma_map_ops swiotlb_dma_op
|
|
|
|
|
|
|
|
void __init pci_iommu_alloc(void)
|
|
|
|
{
|
|
|
|
-#if defined(CONFIG_X86_64) && !defined(CONFIG_XEN)
|
|
|
|
/* free the range so iommu could get some range less than 4G */
|
|
|
|
dma32_free_bootmem();
|
|
|
|
-#endif
|
|
|
|
+
|
|
|
|
if (pci_swiotlb_detect())
|
|
|
|
goto out;
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/process-xen.c 2011-03-03 16:09:35.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/process-xen.c 2011-03-03 16:10:10.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -94,6 +94,13 @@ void exit_thread(void)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
+void show_regs(struct pt_regs *regs)
|
|
|
|
+{
|
|
|
|
+ show_registers(regs);
|
|
|
|
+ show_trace(NULL, regs, (unsigned long *)kernel_stack_pointer(regs),
|
|
|
|
+ regs->bp);
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
void show_regs_common(void)
|
|
|
|
{
|
|
|
|
const char *board, *product;
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -474,21 +481,39 @@ static int __cpuinit mwait_usable(const
|
2010-07-07 11:12:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
- * Check for AMD CPUs, which have potentially C1E support
|
|
|
|
+ * Check for AMD CPUs, where APIC timer interrupt does not wake up CPU from C1e.
|
|
|
|
+ * For more information see
|
|
|
|
+ * - Erratum #400 for NPT family 0xf and family 0x10 CPUs
|
|
|
|
+ * - Erratum #365 for family 0x11 (not affected because C1e not in use)
|
|
|
|
*/
|
|
|
|
static int __cpuinit check_c1e_idle(const struct cpuinfo_x86 *c)
|
|
|
|
{
|
|
|
|
+ u64 val;
|
|
|
|
if (c->x86_vendor != X86_VENDOR_AMD)
|
|
|
|
- return 0;
|
|
|
|
-
|
|
|
|
- if (c->x86 < 0x0F)
|
|
|
|
- return 0;
|
|
|
|
+ goto no_c1e_idle;
|
|
|
|
|
|
|
|
/* Family 0x0f models < rev F do not have C1E */
|
|
|
|
- if (c->x86 == 0x0f && c->x86_model < 0x40)
|
|
|
|
- return 0;
|
|
|
|
+ if (c->x86 == 0x0F && c->x86_model >= 0x40)
|
|
|
|
+ return 1;
|
|
|
|
|
|
|
|
- return 1;
|
|
|
|
+ if (c->x86 == 0x10) {
|
|
|
|
+ /*
|
|
|
|
+ * check OSVW bit for CPUs that are not affected
|
|
|
|
+ * by erratum #400
|
|
|
|
+ */
|
|
|
|
+ if (cpu_has(c, X86_FEATURE_OSVW)) {
|
|
|
|
+ rdmsrl(MSR_AMD64_OSVW_ID_LENGTH, val);
|
|
|
|
+ if (val >= 2) {
|
|
|
|
+ rdmsrl(MSR_AMD64_OSVW_STATUS, val);
|
|
|
|
+ if (!(val & BIT(1)))
|
|
|
|
+ goto no_c1e_idle;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ return 1;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+no_c1e_idle:
|
|
|
|
+ return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static cpumask_var_t c1e_mask;
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -557,7 +582,7 @@ void __cpuinit select_idle_routine(const
|
2010-07-07 11:12:45 +00:00
|
|
|
#ifndef CONFIG_XEN
|
|
|
|
#ifdef CONFIG_SMP
|
|
|
|
if (pm_idle == poll_idle && smp_num_siblings > 1) {
|
|
|
|
- printk(KERN_WARNING "WARNING: polling idle and HT enabled,"
|
|
|
|
+ printk_once(KERN_WARNING "WARNING: polling idle and HT enabled,"
|
|
|
|
" performance may degrade.\n");
|
|
|
|
}
|
|
|
|
#endif
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/process_32-xen.c 2011-02-02 08:47:07.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/process_32-xen.c 2011-02-02 08:47:25.000000000 +0100
|
|
|
|
@@ -177,12 +177,6 @@ void __show_regs(struct pt_regs *regs, i
|
2010-07-07 11:12:45 +00:00
|
|
|
d6, d7);
|
|
|
|
}
|
|
|
|
|
|
|
|
-void show_regs(struct pt_regs *regs)
|
|
|
|
-{
|
|
|
|
- show_registers(regs);
|
|
|
|
- show_trace(NULL, regs, ®s->sp, regs->bp);
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
void release_thread(struct task_struct *dead_task)
|
|
|
|
{
|
|
|
|
BUG_ON(dead_task->mm);
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/process_64-xen.c 2011-02-02 08:47:12.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/process_64-xen.c 2011-02-02 08:47:22.000000000 +0100
|
|
|
|
@@ -215,12 +215,6 @@ void __show_regs(struct pt_regs *regs, i
|
2010-07-07 11:12:45 +00:00
|
|
|
printk(KERN_DEFAULT "DR3: %016lx DR6: %016lx DR7: %016lx\n", d3, d6, d7);
|
|
|
|
}
|
|
|
|
|
|
|
|
-void show_regs(struct pt_regs *regs)
|
|
|
|
-{
|
|
|
|
- show_registers(regs);
|
|
|
|
- show_trace(NULL, regs, (void *)(regs + 1), regs->bp);
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
void xen_load_gs_index(unsigned gs)
|
|
|
|
{
|
|
|
|
WARN_ON(HYPERVISOR_set_segment_base(SEGBASE_GS_USER_SEL, gs));
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -291,12 +285,12 @@ int copy_thread(unsigned long clone_flag
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
set_tsk_thread_flag(p, TIF_FORK);
|
|
|
|
|
|
|
|
- p->thread.fs = me->thread.fs;
|
|
|
|
- p->thread.gs = me->thread.gs;
|
|
|
|
p->thread.io_bitmap_ptr = NULL;
|
|
|
|
|
|
|
|
savesegment(gs, p->thread.gsindex);
|
|
|
|
+ p->thread.gs = p->thread.gsindex ? 0 : me->thread.gs;
|
|
|
|
savesegment(fs, p->thread.fsindex);
|
|
|
|
+ p->thread.fs = p->thread.fsindex ? 0 : me->thread.fs;
|
|
|
|
savesegment(es, p->thread.es);
|
|
|
|
savesegment(ds, p->thread.ds);
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/setup-xen.c 2011-03-03 16:24:24.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/setup-xen.c 2011-03-03 16:24:33.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -55,7 +55,6 @@
|
|
|
|
#include <linux/stddef.h>
|
|
|
|
#include <linux/unistd.h>
|
|
|
|
#include <linux/ptrace.h>
|
|
|
|
-#include <linux/slab.h>
|
|
|
|
#include <linux/user.h>
|
|
|
|
#include <linux/delay.h>
|
|
|
|
|
|
|
|
@@ -151,7 +150,9 @@ EXPORT_SYMBOL(xen_start_info);
|
|
|
|
unsigned long max_low_pfn_mapped;
|
|
|
|
unsigned long max_pfn_mapped;
|
|
|
|
|
|
|
|
+#ifdef CONFIG_DMI
|
|
|
|
RESERVE_BRK(dmi_alloc, 65536);
|
|
|
|
+#endif
|
|
|
|
|
|
|
|
unsigned int boot_cpu_id __read_mostly;
|
|
|
|
|
|
|
|
@@ -348,15 +349,17 @@ static void __init reserve_brk(void)
|
|
|
|
static void __init relocate_initrd(void)
|
|
|
|
{
|
|
|
|
#ifndef CONFIG_XEN
|
|
|
|
+ /* Assume only end is not page aligned */
|
|
|
|
u64 ramdisk_image = boot_params.hdr.ramdisk_image;
|
|
|
|
u64 ramdisk_size = boot_params.hdr.ramdisk_size;
|
|
|
|
+ u64 area_size = PAGE_ALIGN(ramdisk_size);
|
|
|
|
u64 end_of_lowmem = max_low_pfn_mapped << PAGE_SHIFT;
|
|
|
|
u64 ramdisk_here;
|
|
|
|
unsigned long slop, clen, mapaddr;
|
|
|
|
char *p, *q;
|
|
|
|
|
|
|
|
/* We need to move the initrd down into lowmem */
|
|
|
|
- ramdisk_here = find_e820_area(0, end_of_lowmem, ramdisk_size,
|
|
|
|
+ ramdisk_here = find_e820_area(0, end_of_lowmem, area_size,
|
|
|
|
PAGE_SIZE);
|
|
|
|
|
|
|
|
if (ramdisk_here == -1ULL)
|
|
|
|
@@ -365,7 +368,7 @@ static void __init relocate_initrd(void)
|
|
|
|
|
|
|
|
/* Note: this includes all the lowmem currently occupied by
|
|
|
|
the initrd, we rely on that fact to keep the data intact. */
|
|
|
|
- reserve_early(ramdisk_here, ramdisk_here + ramdisk_size,
|
|
|
|
+ reserve_early(ramdisk_here, ramdisk_here + area_size,
|
|
|
|
"NEW RAMDISK");
|
|
|
|
initrd_start = ramdisk_here + PAGE_OFFSET;
|
|
|
|
initrd_end = initrd_start + ramdisk_size;
|
|
|
|
@@ -416,10 +419,11 @@ static void __init relocate_initrd(void)
|
|
|
|
|
|
|
|
static void __init reserve_initrd(void)
|
|
|
|
{
|
|
|
|
+ /* Assume only end is not page aligned */
|
|
|
|
#ifndef CONFIG_XEN
|
|
|
|
u64 ramdisk_image = boot_params.hdr.ramdisk_image;
|
|
|
|
u64 ramdisk_size = boot_params.hdr.ramdisk_size;
|
|
|
|
- u64 ramdisk_end = ramdisk_image + ramdisk_size;
|
|
|
|
+ u64 ramdisk_end = PAGE_ALIGN(ramdisk_image + ramdisk_size);
|
|
|
|
u64 end_of_lowmem = max_low_pfn_mapped << PAGE_SHIFT;
|
|
|
|
|
|
|
|
if (!boot_params.hdr.type_of_loader ||
|
|
|
|
@@ -428,7 +432,7 @@ static void __init reserve_initrd(void)
|
|
|
|
#else
|
|
|
|
unsigned long ramdisk_image = __pa(xen_start_info->mod_start);
|
|
|
|
unsigned long ramdisk_size = xen_start_info->mod_len;
|
|
|
|
- unsigned long ramdisk_end = ramdisk_image + ramdisk_size;
|
|
|
|
+ unsigned long ramdisk_end = PAGE_ALIGN(ramdisk_image + ramdisk_size);
|
|
|
|
unsigned long end_of_lowmem = max_low_pfn_mapped << PAGE_SHIFT;
|
|
|
|
|
|
|
|
if (!xen_start_info->mod_start || !ramdisk_size)
|
|
|
|
@@ -671,6 +675,18 @@ static int __init setup_elfcorehdr(char
|
|
|
|
early_param("elfcorehdr", setup_elfcorehdr);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
+static __init void reserve_ibft_region(void)
|
|
|
|
+{
|
|
|
|
+ unsigned long addr, size = 0;
|
|
|
|
+
|
|
|
|
+ addr = find_ibft_region(&size);
|
|
|
|
+
|
|
|
|
+#ifndef CONFIG_XEN
|
|
|
|
+ if (size)
|
|
|
|
+ reserve_early_overlap_ok(addr, addr + size, "ibft");
|
|
|
|
+#endif
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
#ifdef CONFIG_X86_RESERVE_LOW_64K
|
|
|
|
static int __init dmi_low_memory_corruption(const struct dmi_system_id *d)
|
|
|
|
{
|
|
|
|
@@ -734,6 +750,25 @@ static struct dmi_system_id __initdata b
|
|
|
|
{}
|
|
|
|
};
|
|
|
|
|
|
|
|
+#ifndef CONFIG_XEN
|
|
|
|
+static void __init trim_bios_range(void)
|
|
|
|
+{
|
|
|
|
+ /*
|
|
|
|
+ * A special case is the first 4Kb of memory;
|
|
|
|
+ * This is a BIOS owned area, not kernel ram, but generally
|
|
|
|
+ * not listed as such in the E820 table.
|
|
|
|
+ */
|
|
|
|
+ e820_update_range(0, PAGE_SIZE, E820_RAM, E820_RESERVED);
|
|
|
|
+ /*
|
|
|
|
+ * special case: Some BIOSen report the PC BIOS
|
|
|
|
+ * area (640->1Mb) as ram even though it is not.
|
|
|
|
+ * take them out.
|
|
|
|
+ */
|
|
|
|
+ e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1);
|
|
|
|
+ sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
|
|
|
|
+}
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
/*
|
|
|
|
* Determine if we were loaded by an EFI loader. If so, then we have also been
|
|
|
|
* passed the efi memmap, systab, etc., so we should use these data structures
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -943,7 +978,7 @@ void __init setup_arch(char **cmdline_p)
|
2010-07-07 11:12:45 +00:00
|
|
|
insert_resource(&iomem_resource, &data_resource);
|
|
|
|
insert_resource(&iomem_resource, &bss_resource);
|
|
|
|
|
|
|
|
-
|
|
|
|
+ trim_bios_range();
|
|
|
|
#ifdef CONFIG_X86_32
|
|
|
|
if (ppro_with_ram_bug()) {
|
|
|
|
e820_update_range(0x70000000ULL, 0x40000ULL, E820_RAM,
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1010,6 +1045,8 @@ void __init setup_arch(char **cmdline_p)
|
2010-07-07 11:12:45 +00:00
|
|
|
*/
|
|
|
|
find_smp_config();
|
|
|
|
|
|
|
|
+ reserve_ibft_region();
|
|
|
|
+
|
|
|
|
reserve_trampoline_memory();
|
|
|
|
|
|
|
|
#ifdef CONFIG_ACPI_SLEEP
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -1080,17 +1117,11 @@ void __init setup_arch(char **cmdline_p)
|
2010-07-07 11:12:45 +00:00
|
|
|
#endif
|
|
|
|
|
|
|
|
initmem_init(0, max_pfn, acpi, k8);
|
|
|
|
-
|
|
|
|
-#if defined(CONFIG_X86_64) && !defined(CONFIG_XEN)
|
|
|
|
- /*
|
|
|
|
- * dma32_reserve_bootmem() allocates bootmem which may conflict
|
|
|
|
- * with the crashkernel command line, so do that after
|
|
|
|
- * reserve_crashkernel()
|
|
|
|
- */
|
|
|
|
- dma32_reserve_bootmem();
|
|
|
|
+#ifndef CONFIG_NO_BOOTMEM
|
|
|
|
+ early_res_to_bootmem(0, max_low_pfn<<PAGE_SHIFT);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
- reserve_ibft_region();
|
|
|
|
+ dma32_reserve_bootmem();
|
|
|
|
|
|
|
|
#ifdef CONFIG_KVM_CLOCK
|
|
|
|
kvmclock_init();
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/smp-xen.c 2011-02-01 14:50:44.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/smp-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -21,6 +21,7 @@
|
|
|
|
#include <linux/cache.h>
|
|
|
|
#include <linux/interrupt.h>
|
|
|
|
#include <linux/cpu.h>
|
|
|
|
+#include <linux/gfp.h>
|
|
|
|
|
|
|
|
#include <asm/mtrr.h>
|
|
|
|
#include <asm/tlbflush.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/time-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/time-xen.c 2011-02-01 15:03:03.000000000 +0100
|
|
|
|
@@ -583,7 +583,7 @@ static cycle_t xen_clocksource_read(stru
|
2010-07-07 11:12:45 +00:00
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
-static void xen_clocksource_resume(void)
|
|
|
|
+static void xen_clocksource_resume(struct clocksource *cs)
|
|
|
|
{
|
|
|
|
extern void time_resume(void);
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -605,18 +605,18 @@ static struct clocksource clocksource_xe
|
2010-07-07 11:12:45 +00:00
|
|
|
struct vcpu_runstate_info *setup_runstate_area(unsigned int cpu)
|
|
|
|
{
|
|
|
|
struct vcpu_register_runstate_memory_area area;
|
|
|
|
- struct vcpu_runstate_info *runstate = &per_cpu(runstate, cpu);
|
|
|
|
+ struct vcpu_runstate_info *rs = &per_cpu(runstate, cpu);
|
|
|
|
int rc;
|
|
|
|
|
|
|
|
- set_xen_guest_handle(area.addr.h, runstate);
|
|
|
|
+ set_xen_guest_handle(area.addr.h, rs);
|
|
|
|
rc = HYPERVISOR_vcpu_op(VCPUOP_register_runstate_memory_area, cpu, &area);
|
|
|
|
if (rc) {
|
|
|
|
BUILD_BUG_ON(RUNSTATE_running);
|
|
|
|
- memset(runstate, 0, sizeof(*runstate));
|
|
|
|
+ memset(rs, 0, sizeof(*rs));
|
|
|
|
WARN_ON(rc != -ENOSYS);
|
|
|
|
}
|
|
|
|
|
|
|
|
- return runstate;
|
|
|
|
+ return rs;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void init_missing_ticks_accounting(unsigned int cpu)
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/traps-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/traps-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -527,6 +527,9 @@ dotraplinkage void __kprobes do_debug(st
|
|
|
|
|
|
|
|
get_debugreg(dr6, 6);
|
|
|
|
|
|
|
|
+ /* Filter out all the reserved bits which are preset to 1 */
|
|
|
|
+ dr6 &= ~DR6_RESERVED;
|
|
|
|
+
|
|
|
|
/* Catch kmemcheck conditions first of all! */
|
|
|
|
if ((dr6 & DR_STEP) && kmemcheck_trap(regs))
|
|
|
|
return;
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/vsyscall_64-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/vsyscall_64-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -308,7 +308,8 @@ static int __init vsyscall_init(void)
|
|
|
|
register_sysctl_table(kernel_root_table2);
|
|
|
|
#endif
|
|
|
|
on_each_cpu(cpu_vsyscall_init, NULL, 1);
|
|
|
|
- hotcpu_notifier(cpu_vsyscall_notifier, 0);
|
|
|
|
+ /* notifier priority > KVM */
|
|
|
|
+ hotcpu_notifier(cpu_vsyscall_notifier, 30);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/kernel/x86_init-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/kernel/x86_init-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -5,8 +5,12 @@
|
|
|
|
*/
|
|
|
|
#include <linux/bitmap.h>
|
|
|
|
#include <linux/init.h>
|
|
|
|
+#include <linux/ioport.h>
|
|
|
|
+#include <linux/list.h>
|
|
|
|
+#include <linux/spinlock_types.h>
|
|
|
|
#include <linux/threads.h>
|
|
|
|
|
|
|
|
+#include <asm/pci_x86.h>
|
|
|
|
#include <asm/mpspec.h>
|
|
|
|
#include <asm/setup.h>
|
|
|
|
#include <asm/apic.h>
|
|
|
|
@@ -68,6 +72,12 @@ struct x86_init_ops x86_init __initdata
|
|
|
|
.iommu = {
|
|
|
|
.iommu_init = iommu_init_noop,
|
|
|
|
},
|
|
|
|
+
|
|
|
|
+ .pci = {
|
|
|
|
+ .init = x86_default_pci_init,
|
|
|
|
+ .init_irq = x86_default_pci_init_irq,
|
|
|
|
+ .fixup_irqs = x86_default_pci_fixup_irqs,
|
|
|
|
+ },
|
|
|
|
};
|
|
|
|
|
|
|
|
struct x86_platform_ops x86_platform = {
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/lib/Makefile 2011-01-31 14:53:50.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/lib/Makefile 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -15,6 +15,7 @@ $(obj)/inat.o: $(obj)/inat-tables.c
|
|
|
|
clean-files := inat-tables.c
|
|
|
|
|
|
|
|
obj-$(CONFIG_SMP) += msr-smp.o cache-smp.o
|
|
|
|
+obj-$(CONFIG_XEN) += cache-smp.o
|
|
|
|
|
|
|
|
lib-y := delay.o
|
|
|
|
lib-y += thunk_$(BITS).o
|
|
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
2011-04-19 20:09:59 +00:00
|
|
|
+++ head-2011-03-11/arch/x86/lib/cache-smp-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -0,0 +1,27 @@
|
|
|
|
+#include <linux/smp.h>
|
|
|
|
+#include <linux/module.h>
|
|
|
|
+#include <asm/hypervisor.h>
|
|
|
|
+
|
|
|
|
+static void __wbinvd(void *dummy)
|
|
|
|
+{
|
|
|
|
+ wbinvd();
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+#ifndef CONFIG_XEN
|
|
|
|
+void wbinvd_on_cpu(int cpu)
|
|
|
|
+{
|
|
|
|
+ smp_call_function_single(cpu, __wbinvd, NULL, 1);
|
|
|
|
+}
|
|
|
|
+EXPORT_SYMBOL(wbinvd_on_cpu);
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
+int wbinvd_on_all_cpus(void)
|
|
|
|
+{
|
|
|
|
+ struct mmuext_op op = { .cmd = MMUEXT_FLUSH_CACHE_GLOBAL };
|
|
|
|
+
|
|
|
|
+ if (HYPERVISOR_mmuext_op(&op, 1, NULL, DOMID_SELF) == 0)
|
|
|
|
+ return 0;
|
|
|
|
+ /* Best effort as fallback. */
|
|
|
|
+ return on_each_cpu(__wbinvd, NULL, 1);
|
|
|
|
+}
|
|
|
|
+EXPORT_SYMBOL(wbinvd_on_all_cpus);
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/mm/init-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/mm/init-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -1,3 +1,4 @@
|
|
|
|
+#include <linux/gfp.h>
|
|
|
|
#include <linux/initrd.h>
|
|
|
|
#include <linux/ioport.h>
|
|
|
|
#include <linux/swap.h>
|
|
|
|
@@ -283,12 +284,7 @@ unsigned long __init_refok init_memory_m
|
|
|
|
if (!after_bootmem)
|
|
|
|
find_early_table_space(end, use_pse, use_gbpages);
|
|
|
|
|
|
|
|
-#ifdef CONFIG_X86_32
|
|
|
|
- for (i = 0; i < nr_range; i++)
|
|
|
|
- kernel_physical_mapping_init(mr[i].start, mr[i].end,
|
|
|
|
- mr[i].page_size_mask);
|
|
|
|
- ret = end;
|
|
|
|
-#else /* CONFIG_X86_64 */
|
|
|
|
+#ifdef CONFIG_X86_64
|
|
|
|
#define addr_to_page(addr) \
|
|
|
|
((unsigned long *) \
|
|
|
|
((mfn_to_pfn(((addr) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT) \
|
|
|
|
@@ -320,12 +316,12 @@ unsigned long __init_refok init_memory_m
|
|
|
|
va += PAGE_SIZE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
+#undef addr_to_page
|
|
|
|
+#endif
|
|
|
|
|
|
|
|
for (i = 0; i < nr_range; i++)
|
|
|
|
ret = kernel_physical_mapping_init(mr[i].start, mr[i].end,
|
|
|
|
mr[i].page_size_mask);
|
|
|
|
-#undef addr_to_page
|
|
|
|
-#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_X86_32
|
|
|
|
early_ioremap_page_table_range_init();
|
|
|
|
@@ -377,11 +373,23 @@ int devmem_is_allowed(unsigned long page
|
|
|
|
|
|
|
|
void free_init_pages(char *what, unsigned long begin, unsigned long end)
|
|
|
|
{
|
|
|
|
- unsigned long addr = begin;
|
|
|
|
+ unsigned long addr;
|
|
|
|
+ unsigned long begin_aligned, end_aligned;
|
|
|
|
+
|
|
|
|
+ /* Make sure boundaries are page aligned */
|
|
|
|
+ begin_aligned = PAGE_ALIGN(begin);
|
|
|
|
+ end_aligned = end & PAGE_MASK;
|
|
|
|
+
|
|
|
|
+ if (WARN_ON(begin_aligned != begin || end_aligned != end)) {
|
|
|
|
+ begin = begin_aligned;
|
|
|
|
+ end = end_aligned;
|
|
|
|
+ }
|
|
|
|
|
|
|
|
- if (addr >= end)
|
|
|
|
+ if (begin >= end)
|
|
|
|
return;
|
|
|
|
|
|
|
|
+ addr = begin;
|
|
|
|
+
|
|
|
|
/*
|
|
|
|
* If debugging page accesses then do not free this memory but
|
|
|
|
* mark them not present - any buggy init-section access will
|
|
|
|
@@ -389,7 +397,7 @@ void free_init_pages(char *what, unsigne
|
|
|
|
*/
|
|
|
|
#ifdef CONFIG_DEBUG_PAGEALLOC
|
|
|
|
printk(KERN_INFO "debug: unmapping init memory %08lx..%08lx\n",
|
|
|
|
- begin, PAGE_ALIGN(end));
|
|
|
|
+ begin, end);
|
|
|
|
set_memory_np(begin, (end - begin) >> PAGE_SHIFT);
|
|
|
|
#else
|
|
|
|
/*
|
|
|
|
@@ -404,8 +412,7 @@ void free_init_pages(char *what, unsigne
|
|
|
|
for (; addr < end; addr += PAGE_SIZE) {
|
|
|
|
ClearPageReserved(virt_to_page(addr));
|
|
|
|
init_page_count(virt_to_page(addr));
|
|
|
|
- memset((void *)(addr & ~(PAGE_SIZE-1)),
|
|
|
|
- POISON_FREE_INITMEM, PAGE_SIZE);
|
|
|
|
+ memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE);
|
|
|
|
#ifdef CONFIG_X86_64
|
|
|
|
if (addr >= __START_KERNEL_map) {
|
|
|
|
/* make_readonly() reports all kernel addresses. */
|
|
|
|
@@ -434,6 +441,15 @@ void free_initmem(void)
|
|
|
|
#ifdef CONFIG_BLK_DEV_INITRD
|
|
|
|
void free_initrd_mem(unsigned long start, unsigned long end)
|
|
|
|
{
|
|
|
|
- free_init_pages("initrd memory", start, end);
|
|
|
|
+ /*
|
|
|
|
+ * end could be not aligned, and We can not align that,
|
|
|
|
+ * decompresser could be confused by aligned initrd_end
|
|
|
|
+ * We already reserve the end partial page before in
|
|
|
|
+ * - i386_start_kernel()
|
|
|
|
+ * - x86_64_start_kernel()
|
|
|
|
+ * - relocate_initrd()
|
|
|
|
+ * So here We can do PAGE_ALIGN() safely to get partial page to be freed
|
|
|
|
+ */
|
|
|
|
+ free_init_pages("initrd memory", start, PAGE_ALIGN(end));
|
|
|
|
}
|
|
|
|
#endif
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/mm/init_32-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/mm/init_32-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -25,11 +25,11 @@
|
|
|
|
#include <linux/pfn.h>
|
|
|
|
#include <linux/poison.h>
|
|
|
|
#include <linux/bootmem.h>
|
|
|
|
-#include <linux/slab.h>
|
|
|
|
#include <linux/proc_fs.h>
|
|
|
|
#include <linux/memory_hotplug.h>
|
|
|
|
#include <linux/initrd.h>
|
|
|
|
#include <linux/cpumask.h>
|
|
|
|
+#include <linux/gfp.h>
|
|
|
|
#include <linux/dma-mapping.h>
|
|
|
|
#include <linux/scatterlist.h>
|
|
|
|
|
|
|
|
@@ -257,6 +257,7 @@ kernel_physical_mapping_init(unsigned lo
|
|
|
|
unsigned long page_size_mask)
|
|
|
|
{
|
|
|
|
int use_pse = page_size_mask == (1<<PG_LEVEL_2M);
|
|
|
|
+ unsigned long last_map_addr = end;
|
|
|
|
unsigned long start_pfn, end_pfn;
|
|
|
|
pgd_t *pgd_base = swapper_pg_dir;
|
|
|
|
int pgd_idx, pmd_idx, pte_ofs;
|
|
|
|
@@ -376,9 +377,10 @@ repeat:
|
|
|
|
prot = PAGE_KERNEL_EXEC;
|
|
|
|
|
|
|
|
pages_4k++;
|
|
|
|
- if (mapping_iter == 1)
|
|
|
|
+ if (mapping_iter == 1) {
|
|
|
|
set_pte(pte, pfn_pte(pfn, init_prot));
|
|
|
|
- else
|
|
|
|
+ last_map_addr = (pfn << PAGE_SHIFT) + PAGE_SIZE;
|
|
|
|
+ } else
|
|
|
|
set_pte(pte, pfn_pte(pfn, prot));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
@@ -404,7 +406,7 @@ repeat:
|
|
|
|
mapping_iter = 2;
|
|
|
|
goto repeat;
|
|
|
|
}
|
|
|
|
- return 0;
|
|
|
|
+ return last_map_addr;
|
|
|
|
}
|
|
|
|
|
|
|
|
pte_t *kmap_pte;
|
|
|
|
@@ -750,6 +752,7 @@ static void __init zone_sizes_init(void)
|
|
|
|
free_area_init_nodes(max_zone_pfns);
|
|
|
|
}
|
|
|
|
|
|
|
|
+#ifndef CONFIG_NO_BOOTMEM
|
|
|
|
static unsigned long __init setup_node_bootmem(int nodeid,
|
|
|
|
unsigned long start_pfn,
|
|
|
|
unsigned long end_pfn,
|
|
|
|
@@ -766,13 +769,14 @@ static unsigned long __init setup_node_b
|
|
|
|
printk(KERN_INFO " node %d bootmap %08lx - %08lx\n",
|
|
|
|
nodeid, bootmap, bootmap + bootmap_size);
|
|
|
|
free_bootmem_with_active_regions(nodeid, end_pfn);
|
|
|
|
- early_res_to_bootmem(start_pfn<<PAGE_SHIFT, end_pfn<<PAGE_SHIFT);
|
|
|
|
|
|
|
|
return bootmap + bootmap_size;
|
|
|
|
}
|
|
|
|
+#endif
|
|
|
|
|
|
|
|
void __init setup_bootmem_allocator(void)
|
|
|
|
{
|
|
|
|
+#ifndef CONFIG_NO_BOOTMEM
|
|
|
|
int nodeid;
|
|
|
|
unsigned long bootmap_size, bootmap;
|
|
|
|
unsigned long end_xen_pfn = min(max_low_pfn, xen_start_info->nr_pages);
|
|
|
|
@@ -787,11 +791,17 @@ void __init setup_bootmem_allocator(void
|
|
|
|
if (bootmap == -1L)
|
|
|
|
panic("Cannot find bootmem map of size %ld\n", bootmap_size);
|
|
|
|
reserve_early(bootmap, bootmap + bootmap_size, "BOOTMAP");
|
|
|
|
+#elif defined(CONFIG_XEN)
|
|
|
|
+ if (max_low_pfn > xen_start_info->nr_pages)
|
|
|
|
+ reserve_early(xen_start_info->nr_pages << PAGE_SHIFT,
|
|
|
|
+ max_low_pfn << PAGE_SHIFT, "BALLOON");
|
|
|
|
+#endif
|
|
|
|
|
|
|
|
printk(KERN_INFO " mapped low ram: 0 - %08lx\n",
|
|
|
|
max_pfn_mapped<<PAGE_SHIFT);
|
|
|
|
printk(KERN_INFO " low ram: 0 - %08lx\n", max_low_pfn<<PAGE_SHIFT);
|
|
|
|
|
|
|
|
+#ifndef CONFIG_NO_BOOTMEM
|
|
|
|
for_each_online_node(nodeid) {
|
|
|
|
unsigned long start_pfn, end_pfn;
|
|
|
|
|
|
|
|
@@ -809,6 +819,7 @@ void __init setup_bootmem_allocator(void
|
|
|
|
bootmap = setup_node_bootmem(nodeid, start_pfn, end_pfn,
|
|
|
|
bootmap);
|
|
|
|
}
|
|
|
|
+#endif
|
|
|
|
|
|
|
|
after_bootmem = 1;
|
|
|
|
}
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/mm/init_64-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/mm/init_64-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -32,6 +32,7 @@
|
|
|
|
#include <linux/module.h>
|
|
|
|
#include <linux/memory_hotplug.h>
|
|
|
|
#include <linux/nmi.h>
|
|
|
|
+#include <linux/gfp.h>
|
|
|
|
|
|
|
|
#include <asm/processor.h>
|
|
|
|
#include <asm/bios_ebda.h>
|
|
|
|
@@ -403,9 +404,13 @@ static inline int __meminit make_readonl
|
|
|
|
* No need for writable mapping of kernel image. This also ensures that
|
|
|
|
* page and descriptor tables embedded inside don't have writable
|
|
|
|
* mappings. Exclude the vsyscall area here, allowing alternative
|
|
|
|
- * instruction patching to work.
|
|
|
|
+ * instruction patching to work. The range must be in sync with that
|
|
|
|
+ * passed to reserve_early() (as "TEXT DATA BSS"), since all other
|
|
|
|
+ * regions can be allocated from under CONFIG_NO_BOOTMEM and thus must
|
|
|
|
+ * be writable.
|
|
|
|
*/
|
|
|
|
- if ((paddr >= __pa_symbol(&_text)) && (paddr < __pa(_brk_end))
|
|
|
|
+ if ((paddr >= __pa_symbol(&_text))
|
|
|
|
+ && (paddr < (__pa_symbol(__bss_stop) & PAGE_MASK))
|
|
|
|
&& !(paddr >= __pa_symbol(&__vsyscall_0)
|
|
|
|
&& paddr < __pa_symbol(&__vsyscall_0) + PAGE_SIZE))
|
|
|
|
readonly = 1;
|
|
|
|
@@ -813,6 +818,7 @@ kernel_physical_mapping_init(unsigned lo
|
|
|
|
void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn,
|
|
|
|
int acpi, int k8)
|
|
|
|
{
|
|
|
|
+#ifndef CONFIG_NO_BOOTMEM
|
|
|
|
unsigned long bootmap_size, bootmap;
|
|
|
|
|
|
|
|
e820_register_active_regions(0, start_pfn, end_pfn);
|
|
|
|
@@ -825,12 +831,19 @@ void __init initmem_init(unsigned long s
|
|
|
|
PAGE_SIZE);
|
|
|
|
if (bootmap == -1L)
|
|
|
|
panic("Cannot find bootmem map of size %ld\n", bootmap_size);
|
|
|
|
+ reserve_early(bootmap, bootmap + bootmap_size, "BOOTMAP");
|
|
|
|
/* don't touch min_low_pfn */
|
|
|
|
bootmap_size = init_bootmem_node(NODE_DATA(0), bootmap >> PAGE_SHIFT,
|
|
|
|
0, end_pfn);
|
|
|
|
free_bootmem_with_active_regions(0, end_pfn);
|
|
|
|
- early_res_to_bootmem(0, end_pfn<<PAGE_SHIFT);
|
|
|
|
- reserve_bootmem(bootmap, bootmap_size, BOOTMEM_DEFAULT);
|
|
|
|
+#else
|
|
|
|
+ e820_register_active_regions(0, start_pfn, end_pfn);
|
|
|
|
+#ifdef CONFIG_XEN
|
|
|
|
+ if (end_pfn > xen_start_info->nr_pages)
|
|
|
|
+ reserve_early(xen_start_info->nr_pages << PAGE_SHIFT,
|
|
|
|
+ end_pfn << PAGE_SHIFT, "BALLOON");
|
|
|
|
+#endif
|
|
|
|
+#endif
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
@@ -1243,7 +1256,7 @@ vmemmap_populate(struct page *start_page
|
|
|
|
if (pmd_none(*pmd)) {
|
|
|
|
pte_t entry;
|
|
|
|
|
|
|
|
- p = vmemmap_alloc_block(PMD_SIZE, node);
|
|
|
|
+ p = vmemmap_alloc_block_buf(PMD_SIZE, node);
|
|
|
|
if (!p)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/mm/ioremap-xen.c 2011-02-07 15:41:45.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/mm/ioremap-xen.c 2011-02-07 15:41:54.000000000 +0100
|
|
|
|
@@ -138,6 +138,11 @@ int direct_kernel_remap_pfn_range(unsign
|
2010-07-07 11:12:45 +00:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(direct_kernel_remap_pfn_range);
|
|
|
|
|
|
|
|
+int page_is_ram(unsigned long pagenr)
|
|
|
|
+{
|
|
|
|
+ return pagenr < max_pfn;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
static int lookup_pte_fn(
|
|
|
|
pte_t *pte, struct page *pmd_page, unsigned long addr, void *data)
|
|
|
|
{
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -158,45 +163,6 @@ int create_lookup_pte_addr(struct mm_str
|
2010-07-07 11:12:45 +00:00
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
EXPORT_SYMBOL(create_lookup_pte_addr);
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
-int page_is_ram(unsigned long pagenr)
|
|
|
|
-{
|
|
|
|
- resource_size_t addr, end;
|
|
|
|
- int i;
|
|
|
|
-
|
|
|
|
-#ifndef CONFIG_XEN
|
|
|
|
- /*
|
|
|
|
- * A special case is the first 4Kb of memory;
|
|
|
|
- * This is a BIOS owned area, not kernel ram, but generally
|
|
|
|
- * not listed as such in the E820 table.
|
|
|
|
- */
|
|
|
|
- if (pagenr == 0)
|
|
|
|
- return 0;
|
|
|
|
-
|
|
|
|
- /*
|
|
|
|
- * Second special case: Some BIOSen report the PC BIOS
|
|
|
|
- * area (640->1Mb) as ram even though it is not.
|
|
|
|
- */
|
|
|
|
- if (pagenr >= (BIOS_BEGIN >> PAGE_SHIFT) &&
|
|
|
|
- pagenr < (BIOS_END >> PAGE_SHIFT))
|
|
|
|
- return 0;
|
|
|
|
-#endif
|
|
|
|
-
|
|
|
|
- for (i = 0; i < e820.nr_map; i++) {
|
|
|
|
- /*
|
|
|
|
- * Not usable memory:
|
|
|
|
- */
|
|
|
|
- if (e820.map[i].type != E820_RAM)
|
|
|
|
- continue;
|
|
|
|
- addr = (e820.map[i].addr + PAGE_SIZE-1) >> PAGE_SHIFT;
|
|
|
|
- end = (e820.map[i].addr + e820.map[i].size) >> PAGE_SHIFT;
|
|
|
|
-
|
|
|
|
-
|
|
|
|
- if ((pagenr >= addr) && (pagenr < end))
|
|
|
|
- return 1;
|
|
|
|
- }
|
|
|
|
- return 0;
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
/*
|
|
|
|
* Fix up the linear direct mapping of the kernel to avoid cache attribute
|
|
|
|
* conflicts.
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -587,6 +553,10 @@ void __init early_ioremap_init(void)
|
2010-07-07 11:12:45 +00:00
|
|
|
* The boot-ioremap range spans multiple pmds, for which
|
|
|
|
* we are not prepared:
|
|
|
|
*/
|
|
|
|
+#define __FIXADDR_TOP (-PAGE_SIZE)
|
|
|
|
+ BUILD_BUG_ON((__fix_to_virt(FIX_BTMAP_BEGIN) >> PMD_SHIFT)
|
|
|
|
+ != (__fix_to_virt(FIX_BTMAP_END) >> PMD_SHIFT));
|
|
|
|
+#undef __FIXADDR_TOP
|
|
|
|
if (pmd != early_ioremap_pmd(fix_to_virt(FIX_BTMAP_END))) {
|
|
|
|
WARN_ON(1);
|
|
|
|
printk(KERN_WARNING "pmd %p != %p\n",
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -646,6 +616,22 @@ static inline void __init early_clear_fi
|
2010-07-07 11:12:45 +00:00
|
|
|
static void __iomem *prev_map[FIX_BTMAPS_SLOTS] __initdata;
|
|
|
|
static unsigned long prev_size[FIX_BTMAPS_SLOTS] __initdata;
|
|
|
|
|
|
|
|
+#ifndef CONFIG_XEN
|
|
|
|
+void __init fixup_early_ioremap(void)
|
|
|
|
+{
|
|
|
|
+ int i;
|
|
|
|
+
|
|
|
|
+ for (i = 0; i < FIX_BTMAPS_SLOTS; i++) {
|
|
|
|
+ if (prev_map[i]) {
|
|
|
|
+ WARN_ON(1);
|
|
|
|
+ break;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ early_ioremap_init();
|
|
|
|
+}
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
static int __init check_early_ioremap_leak(void)
|
|
|
|
{
|
|
|
|
int count = 0;
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/mm/pageattr-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/mm/pageattr-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -6,13 +6,13 @@
|
|
|
|
#include <linux/bootmem.h>
|
|
|
|
#include <linux/module.h>
|
|
|
|
#include <linux/sched.h>
|
|
|
|
-#include <linux/slab.h>
|
|
|
|
#include <linux/mm.h>
|
|
|
|
#include <linux/interrupt.h>
|
|
|
|
#include <linux/seq_file.h>
|
|
|
|
#include <linux/debugfs.h>
|
|
|
|
#include <linux/pfn.h>
|
|
|
|
#include <linux/percpu.h>
|
|
|
|
+#include <linux/gfp.h>
|
|
|
|
|
|
|
|
#include <asm/e820.h>
|
|
|
|
#include <asm/processor.h>
|
|
|
|
@@ -293,8 +293,29 @@ static inline pgprot_t static_protection
|
|
|
|
*/
|
|
|
|
if (kernel_set_to_readonly &&
|
|
|
|
within(address, (unsigned long)_text,
|
|
|
|
- (unsigned long)__end_rodata_hpage_align))
|
|
|
|
- pgprot_val(forbidden) |= _PAGE_RW;
|
|
|
|
+ (unsigned long)__end_rodata_hpage_align)) {
|
|
|
|
+ unsigned int level;
|
|
|
|
+
|
|
|
|
+ /*
|
|
|
|
+ * Don't enforce the !RW mapping for the kernel text mapping,
|
|
|
|
+ * if the current mapping is already using small page mapping.
|
|
|
|
+ * No need to work hard to preserve large page mappings in this
|
|
|
|
+ * case.
|
|
|
|
+ *
|
|
|
|
+ * This also fixes the Linux Xen paravirt guest boot failure
|
|
|
|
+ * (because of unexpected read-only mappings for kernel identity
|
|
|
|
+ * mappings). In this paravirt guest case, the kernel text
|
|
|
|
+ * mapping and the kernel identity mapping share the same
|
|
|
|
+ * page-table pages. Thus we can't really use different
|
|
|
|
+ * protections for the kernel text and identity mappings. Also,
|
|
|
|
+ * these shared mappings are made of small page mappings.
|
|
|
|
+ * Thus this don't enforce !RW mapping for small page kernel
|
|
|
|
+ * text mapping logic will help Linux Xen parvirt guest boot
|
|
|
|
+ * aswell.
|
|
|
|
+ */
|
|
|
|
+ if (lookup_address(address, &level) && (level != PG_LEVEL_4K))
|
|
|
|
+ pgprot_val(forbidden) |= _PAGE_RW;
|
|
|
|
+ }
|
|
|
|
#endif
|
|
|
|
|
|
|
|
prot = __pgprot(pgprot_val(prot) & ~pgprot_val(forbidden));
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/mm/pat-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/mm/pat-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -12,7 +12,7 @@
|
|
|
|
#include <linux/debugfs.h>
|
|
|
|
#include <linux/kernel.h>
|
|
|
|
#include <linux/module.h>
|
|
|
|
-#include <linux/gfp.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <linux/mm.h>
|
|
|
|
#include <linux/fs.h>
|
|
|
|
#include <linux/rbtree.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/mm/pgtable-xen.c 2011-02-01 14:54:13.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/mm/pgtable-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -1,4 +1,5 @@
|
|
|
|
#include <linux/mm.h>
|
|
|
|
+#include <linux/gfp.h>
|
|
|
|
#include <linux/module.h>
|
|
|
|
#include <xen/features.h>
|
|
|
|
#include <asm/pgalloc.h>
|
|
|
|
@@ -10,6 +11,14 @@
|
|
|
|
|
|
|
|
#define PGALLOC_GFP GFP_KERNEL | __GFP_NOTRACK | __GFP_REPEAT | __GFP_ZERO
|
|
|
|
|
|
|
|
+#ifdef CONFIG_HIGHPTE
|
|
|
|
+#define PGALLOC_USER_GFP __GFP_HIGHMEM
|
|
|
|
+#else
|
|
|
|
+#define PGALLOC_USER_GFP 0
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
+gfp_t __userpte_alloc_gfp = PGALLOC_GFP | PGALLOC_USER_GFP;
|
|
|
|
+
|
|
|
|
pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
|
|
|
|
{
|
|
|
|
pte_t *pte = (pte_t *)__get_free_page(PGALLOC_GFP);
|
|
|
|
@@ -28,11 +37,7 @@ pgtable_t pte_alloc_one(struct mm_struct
|
|
|
|
{
|
|
|
|
struct page *pte;
|
|
|
|
|
|
|
|
-#ifdef CONFIG_HIGHPTE
|
|
|
|
- pte = alloc_pages(PGALLOC_GFP | __GFP_HIGHMEM, 0);
|
|
|
|
-#else
|
|
|
|
- pte = alloc_pages(PGALLOC_GFP, 0);
|
|
|
|
-#endif
|
|
|
|
+ pte = alloc_pages(__userpte_alloc_gfp, 0);
|
|
|
|
if (pte) {
|
|
|
|
pgtable_page_ctor(pte);
|
|
|
|
SetPageForeign(pte, _pte_free);
|
|
|
|
@@ -41,6 +46,23 @@ pgtable_t pte_alloc_one(struct mm_struct
|
|
|
|
return pte;
|
|
|
|
}
|
|
|
|
|
|
|
|
+static int __init setup_userpte(char *arg)
|
|
|
|
+{
|
|
|
|
+ if (!arg)
|
|
|
|
+ return -EINVAL;
|
|
|
|
+
|
|
|
|
+ /*
|
|
|
|
+ * "userpte=nohigh" disables allocation of user pagetables in
|
|
|
|
+ * high memory.
|
|
|
|
+ */
|
|
|
|
+ if (strcmp(arg, "nohigh") == 0)
|
|
|
|
+ __userpte_alloc_gfp &= ~__GFP_HIGHMEM;
|
|
|
|
+ else
|
|
|
|
+ return -EINVAL;
|
|
|
|
+ return 0;
|
|
|
|
+}
|
|
|
|
+early_param("userpte", setup_userpte);
|
|
|
|
+
|
|
|
|
void __pte_free(pgtable_t pte)
|
|
|
|
{
|
|
|
|
if (!PageHighMem(pte)) {
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/mm/pgtable_32-xen.c 2011-02-01 14:44:12.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/mm/pgtable_32-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -6,7 +6,6 @@
|
|
|
|
#include <linux/swap.h>
|
|
|
|
#include <linux/smp.h>
|
|
|
|
#include <linux/highmem.h>
|
|
|
|
-#include <linux/slab.h>
|
|
|
|
#include <linux/pagemap.h>
|
|
|
|
#include <linux/spinlock.h>
|
|
|
|
#include <linux/module.h>
|
|
|
|
@@ -142,6 +141,7 @@ static int __init parse_reservetop(char
|
|
|
|
|
|
|
|
address = memparse(arg, &arg);
|
|
|
|
reserve_top_address(address);
|
|
|
|
+ fixup_early_ioremap();
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
early_param("reservetop", parse_reservetop);
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/arch/x86/pci/irq-xen.c 2011-02-01 14:50:44.000000000 +0100
|
|
|
|
+++ head-2011-03-11/arch/x86/pci/irq-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -8,7 +8,6 @@
|
|
|
|
#include <linux/kernel.h>
|
|
|
|
#include <linux/pci.h>
|
|
|
|
#include <linux/init.h>
|
|
|
|
-#include <linux/slab.h>
|
|
|
|
#include <linux/interrupt.h>
|
|
|
|
#include <linux/dmi.h>
|
|
|
|
#include <linux/io.h>
|
|
|
|
@@ -53,7 +52,7 @@ struct irq_router_handler {
|
|
|
|
int (*probe)(struct irq_router *r, struct pci_dev *router, u16 device);
|
|
|
|
};
|
|
|
|
|
|
|
|
-int (*pcibios_enable_irq)(struct pci_dev *dev) = NULL;
|
|
|
|
+int (*pcibios_enable_irq)(struct pci_dev *dev) = pirq_enable_irq;
|
|
|
|
void (*pcibios_disable_irq)(struct pci_dev *dev) = NULL;
|
|
|
|
|
|
|
|
/*
|
|
|
|
@@ -596,6 +595,8 @@ static __init int intel_router_probe(str
|
|
|
|
case PCI_DEVICE_ID_INTEL_ICH10_1:
|
|
|
|
case PCI_DEVICE_ID_INTEL_ICH10_2:
|
|
|
|
case PCI_DEVICE_ID_INTEL_ICH10_3:
|
|
|
|
+ case PCI_DEVICE_ID_INTEL_CPT_LPC1:
|
|
|
|
+ case PCI_DEVICE_ID_INTEL_CPT_LPC2:
|
|
|
|
r->name = "PIIX/ICH";
|
|
|
|
r->get = pirq_piix_get;
|
|
|
|
r->set = pirq_piix_set;
|
|
|
|
@@ -1022,7 +1023,7 @@ static int pcibios_lookup_irq(struct pci
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
-static void __init pcibios_fixup_irqs(void)
|
|
|
|
+void __init pcibios_fixup_irqs(void)
|
|
|
|
{
|
|
|
|
struct pci_dev *dev = NULL;
|
|
|
|
u8 pin;
|
|
|
|
@@ -1116,12 +1117,12 @@ static struct dmi_system_id __initdata p
|
|
|
|
{ }
|
|
|
|
};
|
|
|
|
|
|
|
|
-int __init pcibios_irq_init(void)
|
|
|
|
+void __init pcibios_irq_init(void)
|
|
|
|
{
|
|
|
|
DBG(KERN_DEBUG "PCI: IRQ init\n");
|
|
|
|
|
|
|
|
- if (pcibios_enable_irq || raw_pci_ops == NULL)
|
|
|
|
- return 0;
|
|
|
|
+ if (raw_pci_ops == NULL)
|
|
|
|
+ return;
|
|
|
|
|
|
|
|
dmi_check_system(pciirq_dmi_table);
|
|
|
|
|
|
|
|
@@ -1148,9 +1149,7 @@ int __init pcibios_irq_init(void)
|
|
|
|
pirq_table = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
- pcibios_enable_irq = pirq_enable_irq;
|
|
|
|
-
|
|
|
|
- pcibios_fixup_irqs();
|
|
|
|
+ x86_init.pci.fixup_irqs();
|
|
|
|
|
|
|
|
if (io_apic_assign_pci_irqs && pci_routeirq) {
|
|
|
|
struct pci_dev *dev = NULL;
|
|
|
|
@@ -1163,8 +1162,6 @@ int __init pcibios_irq_init(void)
|
|
|
|
for_each_pci_dev(dev)
|
|
|
|
pirq_enable_irq(dev);
|
|
|
|
}
|
|
|
|
-
|
|
|
|
- return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void pirq_penalize_isa_irq(int irq, int active)
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/acpi/processor_core.c 2011-02-01 14:42:26.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/acpi/processor_core.c 2011-02-01 15:03:03.000000000 +0100
|
|
|
|
@@ -19,6 +19,15 @@
|
|
|
|
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
|
|
|
|
ACPI_MODULE_NAME("processor_core");
|
|
|
|
|
|
|
|
+#ifdef CONFIG_PROCESSOR_EXTERNAL_CONTROL
|
|
|
|
+/*
|
|
|
|
+ * External processor control logic may register with its own set of
|
|
|
|
+ * ops to get ACPI related notification. One example is like VMM.
|
|
|
|
+ */
|
|
|
|
+const struct processor_extcntl_ops *processor_extcntl_ops;
|
|
|
|
+EXPORT_SYMBOL(processor_extcntl_ops);
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
static int set_no_mwait(const struct dmi_system_id *id)
|
|
|
|
{
|
|
|
|
printk(KERN_NOTICE PREFIX "%s detected - "
|
|
|
|
@@ -232,6 +241,8 @@ static bool processor_physically_present
|
|
|
|
}
|
|
|
|
|
|
|
|
type = (acpi_type == ACPI_TYPE_DEVICE) ? 1 : 0;
|
|
|
|
+ if (processor_cntl_external())
|
|
|
|
+ type = ~type;
|
|
|
|
cpuid = acpi_get_cpuid(handle, type, acpi_id);
|
|
|
|
|
|
|
|
if ((cpuid == -1) && (num_possible_cpus() > 1))
|
|
|
|
--- head-2011-03-11.orig/drivers/acpi/processor_driver.c 2011-02-01 14:54:13.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/acpi/processor_driver.c 2011-02-01 15:03:03.000000000 +0100
|
|
|
|
@@ -326,8 +326,8 @@ static int acpi_processor_get_info(struc
|
|
|
|
if (pr->id == -1) {
|
|
|
|
if (ACPI_FAILURE
|
|
|
|
(acpi_processor_hotadd_init(pr->handle, &pr->id)) &&
|
|
|
|
- get_cpu_id(pr->handle, ~device_declaration,
|
|
|
|
- pr->acpi_id) < 0) {
|
|
|
|
+ acpi_get_cpuid(pr->handle, ~device_declaration,
|
|
|
|
+ pr->acpi_id) < 0) {
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
@@ -475,8 +475,6 @@ static int __cpuinit acpi_processor_add(
|
|
|
|
strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS);
|
|
|
|
device->driver_data = pr;
|
|
|
|
|
|
|
|
- processor_extcntl_init();
|
|
|
|
-
|
|
|
|
result = acpi_processor_get_info(device);
|
|
|
|
if (result ||
|
|
|
|
((pr->id == -1) && !processor_cntl_external())) {
|
|
|
|
--- head-2011-03-11.orig/drivers/acpi/processor_extcntl.c 2011-02-01 14:39:24.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/acpi/processor_extcntl.c 2011-02-01 15:03:03.000000000 +0100
|
|
|
|
@@ -36,12 +36,6 @@ ACPI_MODULE_NAME("processor_extcntl")
|
|
|
|
|
|
|
|
static int processor_extcntl_parse_csd(struct acpi_processor *pr);
|
|
|
|
static int processor_extcntl_get_performance(struct acpi_processor *pr);
|
|
|
|
-/*
|
|
|
|
- * External processor control logic may register with its own set of
|
|
|
|
- * ops to get ACPI related notification. One example is like VMM.
|
|
|
|
- */
|
|
|
|
-const struct processor_extcntl_ops *processor_extcntl_ops;
|
|
|
|
-EXPORT_SYMBOL(processor_extcntl_ops);
|
|
|
|
|
|
|
|
static int processor_notify_smm(void)
|
|
|
|
{
|
|
|
|
@@ -102,21 +96,6 @@ int processor_notify_external(struct acp
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
- * External control logic can decide to grab full or part of physical
|
|
|
|
- * processor control bits. Take a VMM for example, physical processors
|
|
|
|
- * are owned by VMM and thus existence information like hotplug is
|
|
|
|
- * always required to be notified to VMM. Similar is processor idle
|
|
|
|
- * state which is also necessarily controlled by VMM. But for other
|
|
|
|
- * control bits like performance/throttle states, VMM may choose to
|
|
|
|
- * control or not upon its own policy.
|
|
|
|
- */
|
|
|
|
-void processor_extcntl_init(void)
|
|
|
|
-{
|
|
|
|
- if (!processor_extcntl_ops)
|
|
|
|
- arch_acpi_processor_init_extcntl(&processor_extcntl_ops);
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-/*
|
|
|
|
* This is called from ACPI processor init, and targeted to hold
|
|
|
|
* some tricky housekeeping jobs to satisfy external control model.
|
|
|
|
* For example, we may put dependency parse stub here for idle
|
|
|
|
--- head-2011-03-11.orig/drivers/char/tpm/tpm_vtpm.c 2011-02-01 14:38:38.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/char/tpm/tpm_vtpm.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -16,6 +16,7 @@
|
|
|
|
|
|
|
|
#include <asm/uaccess.h>
|
|
|
|
#include <linux/list.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <linux/device.h>
|
|
|
|
#include <linux/interrupt.h>
|
|
|
|
#include <linux/platform_device.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/char/tpm/tpm_xen.c 2011-01-31 17:56:27.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/char/tpm/tpm_xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -37,6 +37,7 @@
|
|
|
|
#include <linux/err.h>
|
|
|
|
#include <linux/interrupt.h>
|
|
|
|
#include <linux/mutex.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <asm/uaccess.h>
|
|
|
|
#include <xen/evtchn.h>
|
|
|
|
#include <xen/interface/grant_table.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/hwmon/coretemp-xen.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/hwmon/coretemp-xen.c 2011-02-01 15:03:03.000000000 +0100
|
|
|
|
@@ -233,7 +233,7 @@ static int adjust_tjmax(struct coretemp_
|
|
|
|
if (err < 0) {
|
|
|
|
dev_warn(dev,
|
|
|
|
"Unable to access MSR 0xEE, for Tjmax, left"
|
|
|
|
- " at default");
|
|
|
|
+ " at default\n");
|
|
|
|
} else if (eax & 0x40000000) {
|
|
|
|
tjmax = tjmax_ee;
|
|
|
|
}
|
|
|
|
@@ -413,7 +413,7 @@ static int coretemp_device_add(unsigned
|
|
|
|
family 6 CPU */
|
|
|
|
if ((info.x86 == 0x6) && (pdev_entry->x86_model > 0xf))
|
|
|
|
printk(KERN_WARNING DRVNAME ": Unknown CPU "
|
|
|
|
- "model 0x%x", pdev_entry->x86_model);
|
|
|
|
+ "model 0x%x\n", pdev_entry->x86_model);
|
|
|
|
goto exit_entry_free;
|
|
|
|
}
|
|
|
|
|
|
|
|
--- head-2011-03-11.orig/drivers/misc/Kconfig 2011-03-15 16:29:56.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/misc/Kconfig 2011-02-01 15:03:03.000000000 +0100
|
|
|
|
@@ -406,7 +406,7 @@ config TI_DAC7512
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
config VMWARE_BALLOON
|
|
|
|
tristate "VMware Balloon Driver"
|
|
|
|
- depends on X86
|
|
|
|
+ depends on X86 && !XEN
|
|
|
|
help
|
|
|
|
This is VMware physical memory management driver which acts
|
|
|
|
like a "balloon" that can be inflated to reclaim physical pages
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/pci/msi-xen.c 2011-02-01 14:54:13.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/pci/msi-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -18,6 +18,7 @@
|
|
|
|
#include <linux/smp.h>
|
|
|
|
#include <linux/errno.h>
|
|
|
|
#include <linux/io.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
|
|
|
|
#include <xen/evtchn.h>
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/Kconfig 2011-02-01 14:54:13.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/Kconfig 2011-02-02 15:37:42.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -23,6 +23,7 @@ config XEN_UNPRIVILEGED_GUEST
|
|
|
|
select PM_SLEEP
|
|
|
|
select PM_SLEEP_SMP if SMP
|
|
|
|
select PM_RUNTIME if PCI
|
|
|
|
+ select PM_OPS if PCI
|
|
|
|
select SUSPEND
|
|
|
|
|
|
|
|
config XEN_PRIVCMD
|
|
|
|
@@ -336,6 +337,10 @@ config HAVE_IRQ_IGNORE_UNHANDLED
|
|
|
|
config NO_IDLE_HZ
|
|
|
|
def_bool y
|
|
|
|
|
|
|
|
+config ARCH_HAS_WALK_MEMORY
|
|
|
|
+ def_bool y
|
|
|
|
+ depends on X86
|
|
|
|
+
|
|
|
|
config XEN_SMPBOOT
|
|
|
|
def_bool y
|
|
|
|
depends on SMP && !PPC_XEN
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -372,7 +377,6 @@ config XEN_SCRUB_PAGES
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
config XEN_DEV_EVTCHN
|
|
|
|
tristate "Xen /dev/xen/evtchn device"
|
|
|
|
- depends on XEN || PARAVIRT_XEN
|
|
|
|
default PARAVIRT_XEN || XEN_PRIVILEGED_GUEST || m
|
|
|
|
help
|
|
|
|
The evtchn driver allows a userspace process to triger event
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/balloon/balloon.c 2011-02-01 14:54:13.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/balloon/balloon.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -43,7 +43,7 @@
|
|
|
|
#include <linux/pagemap.h>
|
|
|
|
#include <linux/bootmem.h>
|
|
|
|
#include <linux/highmem.h>
|
|
|
|
-#include <linux/vmalloc.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <linux/mutex.h>
|
|
|
|
#include <xen/xen_proc.h>
|
|
|
|
#include <asm/hypervisor.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/blkback/blkback-pagemap.c 2011-01-31 17:56:27.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/blkback/blkback-pagemap.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -1,4 +1,5 @@
|
|
|
|
#include <linux/module.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include "blkback-pagemap.h"
|
|
|
|
|
|
|
|
static int blkback_pagemap_size;
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/blkfront/vbd.c 2011-02-01 14:54:13.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/blkfront/vbd.c 2011-02-01 15:03:03.000000000 +0100
|
|
|
|
@@ -311,15 +311,14 @@ xlvbd_init_blk_queue(struct gendisk *gd,
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
/* Hard sector size and max sectors impersonate the equiv. hardware. */
|
|
|
|
blk_queue_logical_block_size(rq, sector_size);
|
|
|
|
- blk_queue_max_sectors(rq, 512);
|
|
|
|
+ blk_queue_max_hw_sectors(rq, 512);
|
|
|
|
|
|
|
|
/* Each segment in a request is up to an aligned page in size. */
|
|
|
|
blk_queue_segment_boundary(rq, PAGE_SIZE - 1);
|
|
|
|
blk_queue_max_segment_size(rq, PAGE_SIZE);
|
|
|
|
|
|
|
|
/* Ensure a merged request will fit in a single I/O ring slot. */
|
|
|
|
- blk_queue_max_phys_segments(rq, BLKIF_MAX_SEGMENTS_PER_REQUEST);
|
|
|
|
- blk_queue_max_hw_segments(rq, BLKIF_MAX_SEGMENTS_PER_REQUEST);
|
|
|
|
+ blk_queue_max_segments(rq, BLKIF_MAX_SEGMENTS_PER_REQUEST);
|
|
|
|
|
|
|
|
/* Make sure buffer addresses are sector-aligned. */
|
|
|
|
blk_queue_dma_alignment(rq, 511);
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/blktap2/blktap.h 2011-02-01 14:50:44.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/blktap2/blktap.h 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -1,6 +1,7 @@
|
|
|
|
#ifndef _BLKTAP_H_
|
|
|
|
#define _BLKTAP_H_
|
|
|
|
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <linux/fs.h>
|
|
|
|
#include <linux/poll.h>
|
|
|
|
#include <linux/cdev.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/blktap2/device.c 2011-02-01 14:54:13.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/blktap2/device.c 2011-02-01 15:03:03.000000000 +0100
|
|
|
|
@@ -988,15 +988,14 @@ blktap_device_configure(struct blktap *t
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
/* Hard sector size and max sectors impersonate the equiv. hardware. */
|
|
|
|
blk_queue_logical_block_size(rq, tap->params.sector_size);
|
|
|
|
- blk_queue_max_sectors(rq, 512);
|
|
|
|
+ blk_queue_max_hw_sectors(rq, 512);
|
|
|
|
|
|
|
|
/* Each segment in a request is up to an aligned page in size. */
|
|
|
|
blk_queue_segment_boundary(rq, PAGE_SIZE - 1);
|
|
|
|
blk_queue_max_segment_size(rq, PAGE_SIZE);
|
|
|
|
|
|
|
|
/* Ensure a merged request will fit in a single I/O ring slot. */
|
|
|
|
- blk_queue_max_phys_segments(rq, BLKIF_MAX_SEGMENTS_PER_REQUEST);
|
|
|
|
- blk_queue_max_hw_segments(rq, BLKIF_MAX_SEGMENTS_PER_REQUEST);
|
|
|
|
+ blk_queue_max_segments(rq, BLKIF_MAX_SEGMENTS_PER_REQUEST);
|
|
|
|
|
|
|
|
/* Make sure buffer addresses are sector-aligned. */
|
|
|
|
blk_queue_dma_alignment(rq, 511);
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/blktap2/sysfs.c 2011-02-01 14:54:13.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/blktap2/sysfs.c 2011-02-24 14:59:15.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -379,13 +379,15 @@ blktap_sysfs_destroy(struct blktap *tap)
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t
|
|
|
|
-blktap_sysfs_show_verbosity(struct class *class, char *buf)
|
|
|
|
+blktap_sysfs_show_verbosity(struct class *class, struct class_attribute *attr,
|
|
|
|
+ char *buf)
|
|
|
|
{
|
|
|
|
return sprintf(buf, "%d\n", blktap_debug_level);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t
|
|
|
|
-blktap_sysfs_set_verbosity(struct class *class, const char *buf, size_t size)
|
|
|
|
+blktap_sysfs_set_verbosity(struct class *class, struct class_attribute *attr,
|
|
|
|
+ const char *buf, size_t size)
|
|
|
|
{
|
|
|
|
int level;
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -400,7 +402,8 @@ static CLASS_ATTR(verbosity, S_IRUSR | S
|
|
|
|
blktap_sysfs_show_verbosity, blktap_sysfs_set_verbosity);
|
|
|
|
|
|
|
|
static ssize_t
|
|
|
|
-blktap_sysfs_show_devices(struct class *class, char *buf)
|
|
|
|
+blktap_sysfs_show_devices(struct class *class, struct class_attribute *attr,
|
|
|
|
+ char *buf)
|
|
|
|
{
|
|
|
|
int i, ret;
|
|
|
|
struct blktap *tap;
|
|
|
|
--- head-2011-03-11.orig/drivers/xen/blktap2-new/blktap.h 2011-02-24 14:08:40.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/blktap2-new/blktap.h 2011-02-24 15:00:29.000000000 +0100
|
|
|
|
@@ -2,6 +2,7 @@
|
|
|
|
#define _BLKTAP_H_
|
|
|
|
|
|
|
|
#include <linux/mm.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <linux/fs.h>
|
|
|
|
#include <linux/cdev.h>
|
|
|
|
#include <linux/init.h>
|
|
|
|
--- head-2011-03-11.orig/drivers/xen/blktap2-new/device.c 2011-02-24 14:51:43.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/blktap2-new/device.c 2011-02-24 15:01:27.000000000 +0100
|
|
|
|
@@ -290,15 +290,14 @@ blktap_device_configure(struct blktap *t
|
|
|
|
|
|
|
|
/* Hard sector size and max sectors impersonate the equiv. hardware. */
|
|
|
|
blk_queue_logical_block_size(rq, params->sector_size);
|
|
|
|
- blk_queue_max_sectors(rq, 512);
|
|
|
|
+ blk_queue_max_hw_sectors(rq, 512);
|
|
|
|
|
|
|
|
/* Each segment in a request is up to an aligned page in size. */
|
|
|
|
blk_queue_segment_boundary(rq, PAGE_SIZE - 1);
|
|
|
|
blk_queue_max_segment_size(rq, PAGE_SIZE);
|
|
|
|
|
|
|
|
/* Ensure a merged request will fit in a single I/O ring slot. */
|
|
|
|
- blk_queue_max_phys_segments(rq, BLKIF_MAX_SEGMENTS_PER_REQUEST);
|
|
|
|
- blk_queue_max_hw_segments(rq, BLKIF_MAX_SEGMENTS_PER_REQUEST);
|
|
|
|
+ blk_queue_max_segments(rq, BLKIF_MAX_SEGMENTS_PER_REQUEST);
|
|
|
|
|
|
|
|
/* Make sure buffer addresses are sector-aligned. */
|
|
|
|
blk_queue_dma_alignment(rq, 511);
|
|
|
|
--- head-2011-03-11.orig/drivers/xen/blktap2-new/sysfs.c 2011-02-24 14:40:36.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/blktap2-new/sysfs.c 2011-02-24 15:02:50.000000000 +0100
|
|
|
|
@@ -213,13 +213,15 @@ blktap_sysfs_destroy(struct blktap *tap)
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t
|
|
|
|
-blktap_sysfs_show_verbosity(struct class *class, char *buf)
|
|
|
|
+blktap_sysfs_show_verbosity(struct class *class, struct class_attribute *attr,
|
|
|
|
+ char *buf)
|
|
|
|
{
|
|
|
|
return sprintf(buf, "%d\n", blktap_debug_level);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t
|
|
|
|
-blktap_sysfs_set_verbosity(struct class *class, const char *buf, size_t size)
|
|
|
|
+blktap_sysfs_set_verbosity(struct class *class, struct class_attribute *attr,
|
|
|
|
+ const char *buf, size_t size)
|
|
|
|
{
|
|
|
|
int level;
|
|
|
|
|
|
|
|
@@ -234,7 +236,8 @@ static CLASS_ATTR(verbosity, S_IRUGO|S_I
|
|
|
|
blktap_sysfs_show_verbosity, blktap_sysfs_set_verbosity);
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
static ssize_t
|
|
|
|
-blktap_sysfs_show_devices(struct class *class, char *buf)
|
|
|
|
+blktap_sysfs_show_devices(struct class *class, struct class_attribute *attr,
|
|
|
|
+ char *buf)
|
|
|
|
{
|
|
|
|
int i, ret;
|
|
|
|
struct blktap *tap;
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/char/mem.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/char/mem.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -3,7 +3,7 @@
|
|
|
|
*
|
|
|
|
* Copyright (C) 1991, 1992 Linus Torvalds
|
|
|
|
*
|
|
|
|
- * Added devfs support.
|
|
|
|
+ * Added devfs support.
|
|
|
|
* Jan-11-1998, C. Scott Ananian <cananian@alumni.princeton.edu>
|
|
|
|
* Shared /dev/zero mmapping support, Feb 2000, Kanoj Sarcar <kanoj@sgi.com>
|
|
|
|
*/
|
|
|
|
@@ -65,10 +65,10 @@ static inline int range_is_allowed(unsig
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
- * This funcion reads the *physical* memory. The f_pos points directly to the
|
|
|
|
- * memory location.
|
|
|
|
+ * This funcion reads the *physical* memory. The f_pos points directly to the
|
|
|
|
+ * memory location.
|
|
|
|
*/
|
|
|
|
-static ssize_t read_mem(struct file * file, char __user * buf,
|
|
|
|
+static ssize_t read_mem(struct file *file, char __user *buf,
|
|
|
|
size_t count, loff_t *ppos)
|
|
|
|
{
|
|
|
|
unsigned long p = *ppos;
|
|
|
|
@@ -114,7 +114,7 @@ static ssize_t read_mem(struct file * fi
|
|
|
|
return read;
|
|
|
|
}
|
|
|
|
|
|
|
|
-static ssize_t write_mem(struct file * file, const char __user * buf,
|
|
|
|
+static ssize_t write_mem(struct file *file, const char __user *buf,
|
|
|
|
size_t count, loff_t *ppos)
|
|
|
|
{
|
|
|
|
unsigned long p = *ppos, ignored;
|
|
|
|
@@ -161,7 +161,7 @@ static struct vm_operations_struct mmap_
|
|
|
|
#endif
|
|
|
|
};
|
|
|
|
|
|
|
|
-static int xen_mmap_mem(struct file * file, struct vm_area_struct * vma)
|
|
|
|
+static int xen_mmap_mem(struct file *file, struct vm_area_struct *vma)
|
|
|
|
{
|
|
|
|
size_t size = vma->vm_end - vma->vm_start;
|
|
|
|
|
|
|
|
@@ -191,24 +191,26 @@ static int xen_mmap_mem(struct file * fi
|
|
|
|
* also note that seeking relative to the "end of file" isn't supported:
|
|
|
|
* it has no meaning, so it returns -EINVAL.
|
|
|
|
*/
|
|
|
|
-static loff_t memory_lseek(struct file * file, loff_t offset, int orig)
|
|
|
|
+static loff_t memory_lseek(struct file *file, loff_t offset, int orig)
|
|
|
|
{
|
|
|
|
loff_t ret;
|
|
|
|
|
|
|
|
mutex_lock(&file->f_path.dentry->d_inode->i_mutex);
|
|
|
|
switch (orig) {
|
|
|
|
- case 0:
|
|
|
|
- file->f_pos = offset;
|
|
|
|
- ret = file->f_pos;
|
|
|
|
- force_successful_syscall_return();
|
|
|
|
+ case SEEK_CUR:
|
|
|
|
+ offset += file->f_pos;
|
|
|
|
+ case SEEK_SET:
|
|
|
|
+ /* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */
|
|
|
|
+ if ((unsigned long long)offset >= ~0xFFFULL) {
|
|
|
|
+ ret = -EOVERFLOW;
|
|
|
|
break;
|
|
|
|
- case 1:
|
|
|
|
- file->f_pos += offset;
|
|
|
|
- ret = file->f_pos;
|
|
|
|
- force_successful_syscall_return();
|
|
|
|
- break;
|
|
|
|
- default:
|
|
|
|
- ret = -EINVAL;
|
|
|
|
+ }
|
|
|
|
+ file->f_pos = offset;
|
|
|
|
+ ret = file->f_pos;
|
|
|
|
+ force_successful_syscall_return();
|
|
|
|
+ break;
|
|
|
|
+ default:
|
|
|
|
+ ret = -EINVAL;
|
|
|
|
}
|
|
|
|
mutex_unlock(&file->f_path.dentry->d_inode->i_mutex);
|
|
|
|
return ret;
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/core/evtchn.c 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/core/evtchn.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -31,6 +31,7 @@
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <linux/module.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <linux/irq.h>
|
|
|
|
#include <linux/interrupt.h>
|
|
|
|
#include <linux/sched.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/core/gnttab.c 2011-02-01 14:38:38.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/core/gnttab.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -32,6 +32,7 @@
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <linux/module.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <linux/sched.h>
|
|
|
|
#include <linux/mm.h>
|
|
|
|
#include <linux/seqlock.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/core/hypervisor_sysfs.c 2011-01-31 18:01:51.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/core/hypervisor_sysfs.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -36,7 +36,7 @@ static ssize_t hyp_sysfs_store(struct ko
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
-static struct sysfs_ops hyp_sysfs_ops = {
|
|
|
|
+static const struct sysfs_ops hyp_sysfs_ops = {
|
|
|
|
.show = hyp_sysfs_show,
|
|
|
|
.store = hyp_sysfs_store,
|
|
|
|
};
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/core/reboot.c 2011-02-01 14:54:13.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/core/reboot.c 2011-02-01 15:03:03.000000000 +0100
|
|
|
|
@@ -2,6 +2,7 @@
|
2010-07-07 11:12:45 +00:00
|
|
|
#include <linux/kernel.h>
|
|
|
|
#include <linux/unistd.h>
|
|
|
|
#include <linux/module.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <linux/reboot.h>
|
|
|
|
#include <linux/sched.h>
|
|
|
|
#include <linux/sysrq.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/core/spinlock.c 2011-03-15 16:17:10.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/core/spinlock.c 2011-03-15 16:33:52.000000000 +0100
|
|
|
|
@@ -20,7 +20,7 @@ struct spinning {
|
2010-07-07 11:12:45 +00:00
|
|
|
unsigned int ticket;
|
|
|
|
struct spinning *prev;
|
|
|
|
};
|
|
|
|
-static DEFINE_PER_CPU(struct spinning *, spinning);
|
|
|
|
+static DEFINE_PER_CPU(struct spinning *, _spinning);
|
2011-04-19 20:09:59 +00:00
|
|
|
static DEFINE_PER_CPU(evtchn_port_t, poll_evtchn);
|
2010-07-07 11:12:45 +00:00
|
|
|
/*
|
|
|
|
* Protect removal of objects: Addition can be done lockless, and even
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -92,7 +92,7 @@ static unsigned int spin_adjust(struct s
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
unsigned int xen_spin_adjust(const arch_spinlock_t *lock, unsigned int token)
|
|
|
|
{
|
|
|
|
- return spin_adjust(percpu_read(spinning), lock, token);
|
|
|
|
+ return spin_adjust(percpu_read(_spinning), lock, token);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool xen_spin_wait(arch_spinlock_t *lock, unsigned int *ptok,
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -111,9 +111,9 @@ bool xen_spin_wait(arch_spinlock_t *lock
|
2010-07-07 11:12:45 +00:00
|
|
|
/* announce we're spinning */
|
|
|
|
spinning.ticket = *ptok >> TICKET_SHIFT;
|
|
|
|
spinning.lock = lock;
|
|
|
|
- spinning.prev = percpu_read(spinning);
|
|
|
|
+ spinning.prev = percpu_read(_spinning);
|
|
|
|
smp_wmb();
|
|
|
|
- percpu_write(spinning, &spinning);
|
|
|
|
+ percpu_write(_spinning, &spinning);
|
|
|
|
upcall_mask = current_vcpu_info()->evtchn_upcall_mask;
|
|
|
|
|
|
|
|
do {
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -199,7 +199,7 @@ bool xen_spin_wait(arch_spinlock_t *lock
|
2010-07-07 11:12:45 +00:00
|
|
|
|
|
|
|
/* announce we're done */
|
|
|
|
other = spinning.prev;
|
|
|
|
- percpu_write(spinning, other);
|
|
|
|
+ percpu_write(_spinning, other);
|
|
|
|
raw_local_irq_disable();
|
2011-04-19 20:09:59 +00:00
|
|
|
rm_idx = percpu_read(rm_seq.idx);
|
|
|
|
smp_wmb();
|
|
|
|
@@ -267,7 +267,7 @@ void xen_spin_kick(arch_spinlock_t *lock
|
|
|
|
#else
|
|
|
|
smp_mb();
|
|
|
|
#endif
|
|
|
|
- spinning = per_cpu(spinning, cpu);
|
|
|
|
+ spinning = per_cpu(_spinning, cpu);
|
|
|
|
smp_rmb();
|
|
|
|
if (rm_idx == per_cpu(rm_seq.idx, cpu))
|
|
|
|
break;
|
|
|
|
--- head-2011-03-11.orig/drivers/xen/core/xen_sysfs.c 2011-01-31 18:01:51.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/core/xen_sysfs.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -11,6 +11,7 @@
|
|
|
|
#include <linux/kernel.h>
|
|
|
|
#include <linux/module.h>
|
|
|
|
#include <linux/init.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <asm/hypervisor.h>
|
|
|
|
#include <xen/features.h>
|
|
|
|
#include <xen/hypervisor_sysfs.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/fbfront/xenfb.c 2011-02-17 10:16:12.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/fbfront/xenfb.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -25,6 +25,7 @@
|
|
|
|
#include <linux/module.h>
|
|
|
|
#include <linux/vmalloc.h>
|
|
|
|
#include <linux/mm.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <linux/mutex.h>
|
|
|
|
#include <linux/freezer.h>
|
|
|
|
#include <asm/hypervisor.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/fbfront/xenkbd.c 2011-02-01 14:50:44.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/fbfront/xenkbd.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -20,6 +20,7 @@
|
|
|
|
#include <linux/kernel.h>
|
|
|
|
#include <linux/errno.h>
|
|
|
|
#include <linux/module.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <linux/input.h>
|
|
|
|
#include <asm/hypervisor.h>
|
|
|
|
#include <xen/evtchn.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/gntdev/gntdev.c 2011-02-01 14:54:13.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/gntdev/gntdev.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -23,6 +23,7 @@
|
|
|
|
#include <linux/fs.h>
|
|
|
|
#include <linux/device.h>
|
|
|
|
#include <linux/mm.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <linux/mman.h>
|
|
|
|
#include <asm/uaccess.h>
|
|
|
|
#include <asm/io.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/netfront/netfront.h 2011-01-31 17:56:27.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/netfront/netfront.h 2011-02-09 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -34,6 +34,7 @@
|
|
|
|
#define NETFRONT_H
|
|
|
|
|
|
|
|
#include <xen/interface/io/netif.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <linux/netdevice.h>
|
|
|
|
#include <linux/skbuff.h>
|
|
|
|
#include <linux/list.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/pciback/conf_space_capability_msi.c 2011-01-31 17:56:27.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/pciback/conf_space_capability_msi.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -1,12 +1,10 @@
|
|
|
|
/*
|
|
|
|
* PCI Backend -- Configuration overlay for MSI capability
|
|
|
|
*/
|
|
|
|
-#include <linux/pci.h>
|
|
|
|
-#include <linux/slab.h>
|
|
|
|
+#include "pciback.h"
|
|
|
|
#include "conf_space.h"
|
|
|
|
#include "conf_space_capability.h"
|
|
|
|
#include <xen/interface/io/pciif.h>
|
|
|
|
-#include "pciback.h"
|
|
|
|
|
|
|
|
int pciback_enable_msi(struct pciback_device *pdev,
|
|
|
|
struct pci_dev *dev, struct xen_pci_op *op)
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/pciback/pciback.h 2011-01-31 17:32:16.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/pciback/pciback.h 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -6,6 +6,7 @@
|
|
|
|
#ifndef __XEN_PCIBACK_H__
|
|
|
|
#define __XEN_PCIBACK_H__
|
|
|
|
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <linux/pci.h>
|
|
|
|
#include <linux/interrupt.h>
|
|
|
|
#include <xen/xenbus.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/pciback/slot.c 2011-01-31 17:56:27.000000000 +0100
|
|
|
|
+++ head-2011-03-11/drivers/xen/pciback/slot.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -6,10 +6,6 @@
|
|
|
|
* Author: Tristan Gingold <tristan.gingold@bull.net>, from vpci.c
|
|
|
|
*/
|
|
|
|
|
|
|
|
-#include <linux/list.h>
|
|
|
|
-#include <linux/slab.h>
|
|
|
|
-#include <linux/pci.h>
|
|
|
|
-#include <linux/spinlock.h>
|
|
|
|
#include "pciback.h"
|
|
|
|
|
|
|
|
/* There are at most 32 slots in a pci bus. */
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/drivers/xen/pciback/vpci.c 2011-01-31 17:56:27.000000000 +0100
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+++ head-2011-03-11/drivers/xen/pciback/vpci.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
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@@ -5,10 +5,6 @@
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* Author: Ryan Wilson <hap9@epoch.ncsc.mil>
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*/
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-#include <linux/list.h>
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-#include <linux/slab.h>
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-#include <linux/pci.h>
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-#include <linux/spinlock.h>
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#include "pciback.h"
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#define PCI_SLOT_MAX 32
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2011-04-19 20:09:59 +00:00
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--- head-2011-03-11.orig/drivers/xen/pcifront/pcifront.h 2011-01-31 17:32:16.000000000 +0100
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+++ head-2011-03-11/drivers/xen/pcifront/pcifront.h 2011-02-01 15:03:03.000000000 +0100
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2010-07-07 11:12:45 +00:00
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@@ -6,6 +6,7 @@
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#ifndef __XEN_PCIFRONT_H__
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#define __XEN_PCIFRONT_H__
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+#include <linux/slab.h>
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#include <linux/spinlock.h>
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#include <linux/pci.h>
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#include <xen/xenbus.h>
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2011-04-19 20:09:59 +00:00
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--- head-2011-03-11.orig/drivers/xen/scsiback/xenbus.c 2011-02-01 14:50:44.000000000 +0100
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+++ head-2011-03-11/drivers/xen/scsiback/xenbus.c 2011-02-01 15:03:03.000000000 +0100
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@@ -355,7 +355,7 @@ fail:
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2010-07-07 11:12:45 +00:00
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}
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-static struct xenbus_device_id scsiback_ids[] = {
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+static const struct xenbus_device_id scsiback_ids[] = {
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{ "vscsi" },
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{ "" }
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};
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2011-04-19 20:09:59 +00:00
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--- head-2011-03-11.orig/drivers/xen/scsifront/xenbus.c 2011-02-08 10:05:30.000000000 +0100
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+++ head-2011-03-11/drivers/xen/scsifront/xenbus.c 2011-02-08 10:06:25.000000000 +0100
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@@ -34,6 +34,7 @@
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*/
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2010-07-07 11:12:45 +00:00
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#include <linux/version.h>
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+#include <linux/slab.h>
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#include "common.h"
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11)
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2011-04-19 20:09:59 +00:00
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@@ -398,7 +399,7 @@ static void scsifront_backend_changed(st
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2010-07-07 11:12:45 +00:00
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}
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-static struct xenbus_device_id scsifront_ids[] = {
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+static const struct xenbus_device_id scsifront_ids[] = {
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{ "vscsi" },
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{ "" }
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};
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2011-04-19 20:09:59 +00:00
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--- head-2011-03-11.orig/drivers/xen/sfc_netfront/accel.h 2011-02-01 14:38:38.000000000 +0100
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+++ head-2011-03-11/drivers/xen/sfc_netfront/accel.h 2011-02-01 15:03:03.000000000 +0100
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2010-07-07 11:12:45 +00:00
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@@ -35,6 +35,7 @@
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#include <xen/evtchn.h>
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#include <linux/kernel.h>
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+#include <linux/slab.h>
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#include <linux/version.h>
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#include <linux/list.h>
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2011-04-19 20:09:59 +00:00
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--- head-2011-03-11.orig/drivers/xen/sfc_netutil/accel_cuckoo_hash.c 2008-02-20 09:32:49.000000000 +0100
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+++ head-2011-03-11/drivers/xen/sfc_netutil/accel_cuckoo_hash.c 2011-02-01 15:03:03.000000000 +0100
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2010-07-07 11:12:45 +00:00
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@@ -24,6 +24,7 @@
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#include <linux/types.h> /* needed for linux/random.h */
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#include <linux/random.h>
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+#include <linux/slab.h>
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#include "accel_cuckoo_hash.h"
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#include "accel_util.h"
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2011-04-19 20:09:59 +00:00
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--- head-2011-03-11.orig/drivers/xen/sfc_netutil/accel_util.c 2011-01-31 17:49:31.000000000 +0100
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+++ head-2011-03-11/drivers/xen/sfc_netutil/accel_util.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
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@@ -22,6 +22,7 @@
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|
****************************************************************************
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|
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|
*/
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+#include <linux/slab.h>
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|
#include <linux/if_ether.h>
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#include <linux/delay.h>
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#include <asm/io.h>
|
2011-04-19 20:09:59 +00:00
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|
|
--- head-2011-03-11.orig/drivers/xen/xenbus/xenbus_client.c 2011-02-01 14:42:26.000000000 +0100
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|
+++ head-2011-03-11/drivers/xen/xenbus/xenbus_client.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
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@@ -30,8 +30,8 @@
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|
* IN THE SOFTWARE.
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*/
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-#if defined(CONFIG_XEN) || defined(MODULE)
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|
#include <linux/slab.h>
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+#if defined(CONFIG_XEN) || defined(MODULE)
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#include <xen/evtchn.h>
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#include <xen/gnttab.h>
|
2011-04-19 20:09:59 +00:00
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|
#else
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|
--- head-2011-03-11.orig/drivers/xen/xenbus/xenbus_dev.c 2011-02-01 14:54:13.000000000 +0100
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|
+++ head-2011-03-11/drivers/xen/xenbus/xenbus_dev.c 2011-02-01 15:03:03.000000000 +0100
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2010-07-07 11:12:45 +00:00
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@@ -33,6 +33,7 @@
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*/
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#include <linux/kernel.h>
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+#include <linux/slab.h>
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#include <linux/errno.h>
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#include <linux/uio.h>
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#include <linux/notifier.h>
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2011-04-19 20:09:59 +00:00
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--- head-2011-03-11.orig/drivers/xen/xenbus/xenbus_probe.c 2011-02-01 14:55:46.000000000 +0100
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+++ head-2011-03-11/drivers/xen/xenbus/xenbus_probe.c 2011-02-01 15:03:03.000000000 +0100
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2010-07-07 11:12:45 +00:00
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@@ -47,6 +47,7 @@
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#include <linux/notifier.h>
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|
#include <linux/mutex.h>
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|
#include <linux/io.h>
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+#include <linux/slab.h>
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|
#include <asm/page.h>
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|
#include <asm/pgtable.h>
|
2011-04-19 20:09:59 +00:00
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|
--- head-2011-03-11.orig/drivers/xen/xenbus/xenbus_probe_backend.c 2011-02-01 14:44:12.000000000 +0100
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+++ head-2011-03-11/drivers/xen/xenbus/xenbus_probe_backend.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
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@@ -42,6 +42,7 @@
|
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#include <linux/ctype.h>
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|
#include <linux/fcntl.h>
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|
#include <linux/mm.h>
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|
+#include <linux/slab.h>
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|
#include <linux/notifier.h>
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#include <asm/io.h>
|
2011-04-19 20:09:59 +00:00
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|
--- head-2011-03-11.orig/fs/proc/kcore.c 2011-03-15 16:29:56.000000000 +0100
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|
+++ head-2011-03-11/fs/proc/kcore.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
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|
@@ -130,7 +130,7 @@ static void __kcore_update_ram(struct li
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|
}
|
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|
|
|
|
|
-#ifdef CONFIG_HIGHMEM
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|
|
+#if defined(CONFIG_HIGHMEM) || defined(CONFIG_XEN)
|
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|
|
/*
|
|
|
|
* If no highmem, we can assume [0...max_low_pfn) continuous range of memory
|
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|
|
* because memory hole is not as big as !HIGHMEM case.
|
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|
|
@@ -146,7 +146,11 @@ static int kcore_update_ram(void)
|
|
|
|
if (!ent)
|
|
|
|
return -ENOMEM;
|
|
|
|
ent->addr = (unsigned long)__va(0);
|
|
|
|
+#ifdef CONFIG_HIGHMEM
|
|
|
|
ent->size = max_low_pfn << PAGE_SHIFT;
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|
|
+#else
|
|
|
|
+ ent->size = max_pfn << PAGE_SHIFT;
|
|
|
|
+#endif
|
|
|
|
ent->type = KCORE_RAM;
|
|
|
|
list_add(&ent->list, &head);
|
|
|
|
__kcore_update_ram(&head);
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/include/acpi/processor.h 2011-02-01 14:55:46.000000000 +0100
|
|
|
|
+++ head-2011-03-11/include/acpi/processor.h 2011-02-01 15:03:03.000000000 +0100
|
|
|
|
@@ -450,11 +450,9 @@ static inline int processor_pmthr_extern
|
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|
|
|
|
|
|
extern int processor_notify_external(struct acpi_processor *pr,
|
|
|
|
int event, int type);
|
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|
|
-extern void processor_extcntl_init(void);
|
|
|
|
extern int processor_extcntl_prepare(struct acpi_processor *pr);
|
|
|
|
extern int acpi_processor_get_performance_info(struct acpi_processor *pr);
|
|
|
|
extern int acpi_processor_get_psd(struct acpi_processor *pr);
|
|
|
|
-void arch_acpi_processor_init_extcntl(const struct processor_extcntl_ops **);
|
|
|
|
#else
|
|
|
|
static inline int processor_cntl_external(void) {return 0;}
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|
|
|
static inline int processor_pm_external(void) {return 0;}
|
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|
|
@@ -465,7 +463,6 @@ static inline int processor_notify_exter
|
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|
|
{
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
-static inline void processor_extcntl_init(void) {}
|
|
|
|
static inline int processor_extcntl_prepare(struct acpi_processor *pr)
|
|
|
|
{
|
|
|
|
return 0;
|
|
|
|
--- head-2011-03-11.orig/include/xen/xenbus.h 2011-02-02 16:59:07.000000000 +0100
|
|
|
|
+++ head-2011-03-11/include/xen/xenbus.h 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -39,6 +39,7 @@
|
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|
|
#include <linux/mutex.h>
|
|
|
|
#include <linux/completion.h>
|
|
|
|
#include <linux/init.h>
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
#include <linux/err.h>
|
|
|
|
#include <xen/interface/xen.h>
|
|
|
|
#include <xen/interface/grant_table.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/kernel/resource.c 2011-03-15 16:29:56.000000000 +0100
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|
+++ head-2011-03-11/kernel/resource.c 2011-02-01 15:03:03.000000000 +0100
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|
@@ -344,6 +344,7 @@ int walk_system_ram_range(unsigned long
|
2010-07-07 11:12:45 +00:00
|
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|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
+#if !defined(CONFIG_XEN) || !defined(CONFIG_ARCH_HAS_WALK_MEMORY)
|
|
|
|
static int __is_ram(unsigned long pfn, unsigned long nr_pages, void *arg)
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|
|
{
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|
|
|
return 1;
|
2011-04-19 20:09:59 +00:00
|
|
|
@@ -356,6 +357,7 @@ int __weak page_is_ram(unsigned long pfn
|
2010-07-07 11:12:45 +00:00
|
|
|
{
|
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|
|
return walk_system_ram_range(pfn, 1, NULL, __is_ram) == 1;
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|
|
}
|
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|
|
+#endif
|
|
|
|
|
2011-04-19 20:09:59 +00:00
|
|
|
void __weak arch_remove_reservations(struct resource *avail)
|
|
|
|
{
|
|
|
|
--- head-2011-03-11.orig/lib/swiotlb-xen.c 2011-02-01 14:55:46.000000000 +0100
|
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|
|
+++ head-2011-03-11/lib/swiotlb-xen.c 2011-02-01 15:03:03.000000000 +0100
|
2010-07-07 11:12:45 +00:00
|
|
|
@@ -25,6 +25,8 @@
|
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|
|
#include <linux/bootmem.h>
|
|
|
|
#include <linux/iommu-helper.h>
|
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|
|
#include <linux/highmem.h>
|
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|
|
+#include <linux/gfp.h>
|
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|
+
|
|
|
|
#include <asm/io.h>
|
|
|
|
#include <asm/pci.h>
|
|
|
|
#include <asm/dma.h>
|
2011-04-19 20:09:59 +00:00
|
|
|
--- head-2011-03-11.orig/mm/page_alloc.c 2011-02-01 14:50:44.000000000 +0100
|
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|
+++ head-2011-03-11/mm/page_alloc.c 2011-02-08 10:06:32.000000000 +0100
|
|
|
|
@@ -5015,7 +5015,8 @@ static void __setup_per_zone_wmarks(void
|
2010-07-07 11:12:45 +00:00
|
|
|
high = percpu_pagelist_fraction
|
|
|
|
? zone->present_pages / percpu_pagelist_fraction
|
|
|
|
: 5 * zone_batchsize(zone);
|
|
|
|
- setup_pagelist_highmark(zone_pcp(zone, cpu), high);
|
|
|
|
+ setup_pagelist_highmark(
|
|
|
|
+ per_cpu_ptr(zone->pageset, cpu), high);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|