linux-kernel - Re: [PATCH v2 0/5] Small changes related to prefetch and spurious faults

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Message-ID: <174622239486.882502.1450694184969543673.b4-ty@google.com>
Date: Fri,  2 May 2025 14:50:55 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, pbonzini@...hat.com, Yan Zhao <yan.y.zhao@...el.com>
Cc: linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH v2 0/5] Small changes related to prefetch and spurious faults

On Tue, 18 Mar 2025 09:30:37 +0800, Yan Zhao wrote:
> This is v2 of the series for some small changes related to
> prefetch/prefault and spurious faults.
> 
> Patch 1: Checks if a shadow-present old SPTE is leaf to determine a
>          prefetch fault is spurious.
> 
> Patch 2: Merges the checks for prefetch and is_access_allowed() for
>          spurious faults into a common path.
> 
> [...]

Applied 1-4 to kvm-x86 mmu, and patch 5 to fixes.  Thanks!

[1/5] KVM: x86/mmu: Further check old SPTE is leaf for spurious prefetch fault
      https://github.com/kvm-x86/linux/commit/ea9fcdf76d3d
[2/5] KVM: x86/tdp_mmu: Merge prefetch and access checks for spurious faults
      https://github.com/kvm-x86/linux/commit/d17cc13cc484
[3/5] KVM: x86/tdp_mmu: WARN if PFN changes for spurious faults
      https://github.com/kvm-x86/linux/commit/988da7820206
[4/5] KVM: x86/mmu: Warn if PFN changes on shadow-present SPTE in shadow MMU
      https://github.com/kvm-x86/linux/commit/11d45175111d
[5/5] KVM: x86/mmu: Check and free obsolete roots in kvm_mmu_reload()
      https://github.com/kvm-x86/linux/commit/20a6cff3b283
--
https://github.com/kvm-x86/linux/tree/next