Re: [PATCH 0/7] KVM: Grab KVM references for stats fds

From: Sean Christopherson
Date: Wed Jul 26 2023 - 11:18:55 EST


On Tue, 11 Jul 2023 16:01:24 -0700, Sean Christopherson wrote:
> Grab a reference to the VM when handing a userspace stats fds for VMs and
> vCPUs to ensure the stats files don't outlive the VM and its vCPUs, and add
> a regression testcase in selftests.
>
> Sean Christopherson (7):
> KVM: Grab a reference to KVM for VM and vCPU stats file descriptors
> KVM: selftests: Use pread() to read binary stats header
> KVM: selftests: Clean up stats fd in common stats_test() helper
> KVM: selftests: Explicitly free vcpus array in binary stats test
> KVM: selftests: Verify userspace can create "redundant" binary stats
> files
> KVM: selftests: Verify stats fd can be dup()'d and read
> KVM: selftests: Verify stats fd is usable after VM fd has been closed
>
> [...]

Applied to kvm-x86 fixes, thanks!

[1/7] KVM: Grab a reference to KVM for VM and vCPU stats file descriptors
https://github.com/kvm-x86/linux/commit/0d6d1727a21e
[2/7] KVM: selftests: Use pread() to read binary stats header
https://github.com/kvm-x86/linux/commit/ba6ed5058b1e
[3/7] KVM: selftests: Clean up stats fd in common stats_test() helper
https://github.com/kvm-x86/linux/commit/34ffae5d4294
[4/7] KVM: selftests: Explicitly free vcpus array in binary stats test
https://github.com/kvm-x86/linux/commit/0dec04897a5c
[5/7] KVM: selftests: Verify userspace can create "redundant" binary stats files
https://github.com/kvm-x86/linux/commit/518f3fde1f28
[6/7] KVM: selftests: Verify stats fd can be dup()'d and read
https://github.com/kvm-x86/linux/commit/a4b51af2c290
[7/7] KVM: selftests: Verify stats fd is usable after VM fd has been closed
https://github.com/kvm-x86/linux/commit/00b6b7e96803

--
https://github.com/kvm-x86/linux/tree/next
https://github.com/kvm-x86/linux/tree/fixes