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Add ucode=scan to default Xen command line

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Try to update microcode as early as possible if provided.
This option will scan all multiboot modules besides dom0 kernel. In our
case this is perfect - there is only one other module and it is
initramfs which have microcode early cpio prepended.

QubesOS/qubes-issues#3703

(cherry picked from commit f452cca502)
This commit is contained in:
Marek Marczykowski-Górecki 2018-03-21 03:29:28 +01:00
parent 39699e6a35
commit 2a1a2a2830
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GPG Key ID: 063938BA42CFA724
1 changed files with 2 additions and 2 deletions
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4
anaconda/pyanaconda/bootloader.py
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@ -1505,7 +1505,7 @@ class GRUB2(GRUB):
# boot arguments
log.info("bootloader.py: used boot args: %s ", self.boot_args)
defaults.write("GRUB_CMDLINE_LINUX=\"%s\"\n" % self.boot_args)
defaults.write("GRUB_CMDLINE_XEN_DEFAULT=\"console=none dom0_mem=min:1024M dom0_mem=max:4096M\"\n")
defaults.write("GRUB_CMDLINE_XEN_DEFAULT=\"console=none dom0_mem=min:1024M dom0_mem=max:4096M ucode=scan\"\n")
defaults.write("GRUB_DISABLE_RECOVERY=\"true\"\n")
defaults.write("GRUB_THEME=\"/boot/grub2/themes/system/theme.txt\"\n")
defaults.write("GRUB_DISABLE_OS_PROBER=\"true\"\n")
@ -1859,7 +1859,7 @@ class XenEFI(EFIGRUB):
root_args += " rootflags=subvol=%s" % image.device.name
config.write("\n")
config.write("[{}]\n".format(image.version))
config.write("options=loglvl=all dom0_mem=min:1024M dom0_mem=max:4096M\n")
config.write("options=loglvl=all dom0_mem=min:1024M dom0_mem=max:4096M ucode=scan\n")
config.write("kernel={} {} {}\n".format(
image.kernel,
root_args,