On Thu, 23 Sep 2021 15:44:55 +0100, Alexandru Elisei wrote:
> What prompted this series (which I really hoped will turn out smaller than
> it did) is my attempt to add support for kvmtool to kvm-unit-tests
> automated test runner [1]. When working through the review comments for
> that series, I realized that kvmtool must be able to load an initrd when
> running a test to get all the features that tests rely on.
>
> kvm-unit-tests uses the initrd, which is expected to be a text file in the
> format key=value, to pass parameters to a test. The initrd is by default
> generated by the runner script, but the location of a custom initrd file
> can also be set using the environment variable KVM_UNIT_TEST_ENV (many
> thanks to Andrew Jones for explaining that). Contained in the automatically
> generated initrd is information about the presence of certain commits in
> the host kernel. These commits are important because they fix serious bugs
> in KVM, and running tests which are designed to exercise the fix on systems
> where it isn't present can cause the host kernel to crash. kvm-unit-tests
> calls these bug fixing commits erratas, and their presence is signalled by
> an entry ERRATA_<commit_id>=y in the initrd.
>
> [...]
Applied patches 1-7, 9 and 10 to kvmtool (master), thanks!
[01/10] builtin-run: Treat specifying both --kernel and --firmware as an error
https://git.kernel.org/will/kvmtool/c/6810e75ce9e0
[02/10] builtin-run: Warn when ignoring initrd because --firmware was specified
https://git.kernel.org/will/kvmtool/c/6cbec43ef88d
[03/10] builtin-run: Do not attempt to find vmlinux if --firmware
https://git.kernel.org/will/kvmtool/c/638630c9f7a3
[04/10] builtin-run: Abstract argument validation into a separate function
https://git.kernel.org/will/kvmtool/c/cce9616484bd
[05/10] Use kvm->nr_disks instead of kvm->cfg.image_count
https://git.kernel.org/will/kvmtool/c/39ab3a0b380c
[06/10] builtin-run: Move kernel command line generation to a separate function
https://git.kernel.org/will/kvmtool/c/a5253f7cc810
[07/10] Add --nodefaults command line argument
https://git.kernel.org/will/kvmtool/c/5613ae26b998
[09/10] arm64: Use the default offset when the kernel image magic is not found
https://git.kernel.org/will/kvmtool/c/5303f0964ffd
[10/10] arm64: Be more permissive when parsing the kernel header
https://git.kernel.org/will/kvmtool/c/dc6646192057
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
