The module is required by gui-agent, so make sure it will be actually
installed. This would also install the module in dom0 (when
qubes-kernel-vm-support is installed there), but this this is harmless.
QubesOS/qubes-issues#1354
This makes is possible to modify /lib/modules content - especially
install other kernel packages, without unmounting the whole
/lib/modules. Since dom0-provided modules will no longer conflict with
VM kernel packages (assuming kernel versions are different), there is no
need for qubes-kernel-vm-placeholder anymore.
Having only one subdirectory of /lib/modules mounted is somehow tricky,
because:
1. Directory name isn't always the same - it depends on kernel version.
This means that mountpoint must be created dynamically (so $NEWROOT must
be mounted in R/W for a moment).
2. There is one-command way to mount only a subdirectory of some
filesystem. So use a trick: mount it in some temporary directory, get
interesting subdir with `mount --bind`, then unmount temporary
directory.
QubesOS/qubes-issues#1354
When PV Grub will be used, VM initramfs should not contain /lib/modules
mounting code, as the VM root.img will already contains kernel modules.
Make it possible by splitting the module.
QubesOS/qubes-issues#1354
This is counterpart of 5774c78 "qfile-agent: move data handling code to
libqubes-rpc-filecopy" in core-agent-linux. The main purpose is to
easily reuse the code in dom0 qvm-copy-to-vm tool.
QubesOS/qubes-issues#1324
At the moment, Xen has a 16TB limit on x86, so this has no practical
impact, aside for silencing compiler truncation warnings.
Also, the rest of the GUI/u2mfn code and protocol would need to be
expanded to use 64-bit mfns for Qubes to actually work there.
It is required to prevent deadlocks in single-threaded select-based IO
programs (namely: qrexec). POSIX API doesn't support checking how much
can be written to pipe/socket without blocking, so to prevent blocking
application must use O_NONBLOCK mode, and somehow deal with non-written
data (buffer it).
QubesOS/qubes-issues#1347
* origin/pr/1:
use 64-bit integers for memory sizes to support > 2 TB RAM
Report Xen balloon current size instead of Linux total memory
FixesQubesOS/qubes-issues#1136
POSIX requires that a read(2) which can be proved to occur after a
write() has returned returns the new data.
We want here only that other processes in the same VM will see the
file either fully written, or not see it at all. So ensuring that
linkat(2) is called after write is completed should be enough.
FixesQubesOS/qubes-issues#1257
* origin/pr/1:
archlinux: ensure /usr/sbin is not use to follow archlinux packaging guidelines
archlinux: update to match new dependancies and archlinux /usr/lib guidelines
Since migration to QubesDB, it isn't needed anymore (QubesDB have no
problem with concurrent writes, as transactions are not supported).
This should speedup system startup.
This is preparation for pvgrub support, where all VM kernel files will
be installed inside of VM instead of dom0.
But also the same could be used to prepare VM kernel image from any dom0
kernel.
Recently we've switched all xenstore access to the new interface
(instead of deprecated /proc/xen/xenbus). Mostly because of deadlock in
/proc/xen/xenbus implementation.
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Merge tag 'jm_96301f3c'
Tag for commit 96301f3cc1
# gpg: Signature made Thu Feb 12 18:28:12 2015 CET using RSA key ID 5A4C6DAD
# gpg: Good signature from "Jason Mehring (Qubes OS Signing Key) <nrgaway@gmail.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: E0E3 2283 FDCA C1A5 1007 8F27 1BB9 B1FB 5A4C 6DAD
