linux-kernel - Re: [PATCH v11 0/8] KVM: SVM: Enable Secure TSC for SEV-SNP

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Message-ID: <175581201824.3460047.14086246675316864904.b4-ty@google.com>
Date: Thu, 21 Aug 2025 14:35:08 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Thomas Lendacky <thomas.lendacky@....com>, Michael Roth <michael.roth@....com>, 
	Nikunj A Dadhania <nikunj@....com>, Borislav Petkov <bp@...en8.de>, 
	Vaishali Thakkar <vaishali.thakkar@...e.com>, Ketan Chaturvedi <Ketan.Chaturvedi@....com>, 
	Kai Huang <kai.huang@...el.com>
Subject: Re: [PATCH v11 0/8] KVM: SVM: Enable Secure TSC for SEV-SNP

On Tue, 19 Aug 2025 16:48:25 -0700, Sean Christopherson wrote:
> This is a combination of Nikunk's series to enable secure TSC support and to
> fix the GHCB version issues, along with some code refactorings to move SEV+
> setup code into sev.c (we've managed to grow something like 4 flows that all
> do more or less the same thing).
> 
> Note, I haven't tested SNP functionality in any way.
> 
> [...]

Applied to kvm-x86 svm.  Nikunj, can you give this one last sanity check when
you get the chance?  No rush.  I moved the "!kvm->arch.default_tsc_khz" check
up slightly so that it could use a direct return instead of a goto, just want
to make sure I didn't pull a stupid.

Thanks!

[1/8] KVM: SEV: Drop GHCB_VERSION_DEFAULT and open code it
      https://github.com/kvm-x86/linux/commit/c78af20374a1
[2/8] KVM: SEV: Enforce minimum GHCB version requirement for SEV-SNP guests
      https://github.com/kvm-x86/linux/commit/00f0b959ffb0
[3/8] x86/cpufeatures: Add SNP Secure TSC
      https://github.com/kvm-x86/linux/commit/7b59c73fd611
[4/8] KVM: SVM: Move SEV-ES VMSA allocation to a dedicated sev_vcpu_create() helper
      https://github.com/kvm-x86/linux/commit/34bd82aab15b
[5/8] KVM: SEV: Move init of SNP guest state into sev_init_vmcb()
      https://github.com/kvm-x86/linux/commit/3d4e882e3439
[6/8] KVM: SEV: Set RESET GHCB MSR value during sev_es_init_vmcb()
      https://github.com/kvm-x86/linux/commit/baf6ed177290
[7/8] KVM: SEV: Fold sev_es_vcpu_reset() into sev_vcpu_create()
      https://github.com/kvm-x86/linux/commit/f7b1f0c1620d
[8/8] KVM: SVM: Enable Secure TSC for SNP guests
      https://github.com/kvm-x86/linux/commit/a311fce2b694

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