linux-kernel - Re: [PATCH 0/3] KVM: nSVM: Fixes for SVM_EXIT_CR0_SEL

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Message-ID: <176278819404.918294.6609629362258186097.b4-ty@google.com>
Date: Mon, 10 Nov 2025 07:37:27 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Yosry Ahmed <yosry.ahmed@...ux.dev>
Cc: Paolo Bonzini <pbonzini@...hat.com>, Jim Mattson <jmattson@...gle.com>, kvm@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] KVM: nSVM: Fixes for SVM_EXIT_CR0_SEL_WRITE injection

On Fri, 24 Oct 2025 19:29:15 +0000, Yosry Ahmed wrote:
> A couple of fixes for injecting SVM_EXIT_CR0_SEL_WRITE to L1 when
> emulating MOV-to-CR0 or LMSW. LMSW is handled by the emulator even in
> some cases where decode assists are enabled, so it's a more important
> fix. An example would be if L0 intercepts SVM_EXIT_WRITE_CR0 while L1
> intercepts SVM_EXIT_CR0_SEL_WRITE.
> 
> Patch is an unrelated cleanup that can be dropped/merged separately.
> 
> [...]

Applied to kvm-x86 svm, with the proper stable@ email and the tweaks to
svm_check_intercept().  Thanks!

[1/3] KVM: nSVM: Remove redundant cases in nested_svm_intercept()
      https://github.com/kvm-x86/linux/commit/3d31bdf9cc79
[2/3] KVM: nSVM: Propagate SVM_EXIT_CR0_SEL_WRITE correctly for LMSW emulation
      https://github.com/kvm-x86/linux/commit/5674a76db021
[3/3] KVM: nSVM: Avoid incorrect injection of SVM_EXIT_CR0_SEL_WRITE
      https://github.com/kvm-x86/linux/commit/3d80f4c93d3d

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