Re: [PATCH] selftests/kvm: touch all pages of args on each memstress iteration
From: Sean Christopherson
Date: Thu Jun 01 2023 - 21:25:30 EST
On Wed, 12 Apr 2023 16:09:13 -0400, Paolo Bonzini wrote:
> Access the same memory addresses on each iteration of the memstress
> guest code. This ensures that the state of KVM's page tables
> is the same after every iteration, including the pages that host the
> guest page tables for args and vcpu_args.
>
> This difference is visible on the dirty_log_page_splitting_test
> on AMD machines.
>
> [...]
Applied to kvm-x86 selftests, thanks!
[1/1] selftests/kvm: touch all pages of args on each memstress iteration
https://github.com/kvm-x86/linux/commit/07b4b2f4047f
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https://github.com/kvm-x86/linux/tree/next
https://github.com/kvm-x86/linux/tree/fixes