From: Sean Christopherson <seanjc@google.com>
To: Sean Christopherson <seanjc@google.com>,
Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Wu Fei <wu.fei9@sanechips.com.cn>, Wu Fei <atwufei@163.com>
Subject: Re: [PATCH] KVM: selftests: Randomize dirty_log_test's delay before reaping the bitmap
Date: Wed, 27 May 2026 11:10:18 -0700 [thread overview]
Message-ID: <177990523920.4120987.9255714954792808956.b4-ty@google.com> (raw)
In-Reply-To: <20260522170230.3518669-1-seanjc@google.com>
On Fri, 22 May 2026 10:02:30 -0700, Sean Christopherson wrote:
> In the dirty log test, randomize the delay before the initial call to get
> the dirty log bitmap for a given iteration, so that the amount of memory
> dirtied by the guest varies from iteration to iteration, and so that the
> user can effectively control the duration (by increasing the interval).
>
> Always waiting 1ms effectively hides a KVM RISC-V bug as the test reaps the
> dirty bitmap before the guest has a chance to trigger the problematic flow
> in KVM.
>
> [...]
Applied to kvm-x86 selftests, thanks!
[1/1] KVM: selftests: Randomize dirty_log_test's delay before reaping the bitmap
https://github.com/kvm-x86/linux/commit/4e0fdd9b0d7d
--
https://github.com/kvm-x86/linux/tree/next
prev parent reply other threads:[~2026-05-27 18:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-22 17:02 [PATCH] KVM: selftests: Randomize dirty_log_test's delay before reaping the bitmap Sean Christopherson
2026-05-27 18:10 ` Sean Christopherson [this message]
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