linux-kernel - Re: [PATCH v2] KVM: x86: Update Xen TSC leaves during CPUID emulation

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Message-ID: <174049620083.2628640.12510480368568809515.b4-ty@google.com>
Date: Fri, 28 Feb 2025 09:06:34 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, kvm@...r.kernel.org, 
	Fred Griffoul <fgriffo@...zon.co.uk>
Cc: griffoul@...il.com, vkuznets@...hat.com, 
	Paolo Bonzini <pbonzini@...hat.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, 
	Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org, 
	"H. Peter Anvin" <hpa@...or.com>, David Woodhouse <dwmw2@...radead.org>, Paul Durrant <paul@....org>, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] KVM: x86: Update Xen TSC leaves during CPUID emulation

On Fri, 24 Jan 2025 15:05:39 +0000, Fred Griffoul wrote:
> The Xen emulation in KVM modifies certain CPUID leaves to expose
> TSC information to the guest.
> 
> Previously, these CPUID leaves were updated whenever guest time changed,
> but this conflicts with KVM_SET_CPUID/KVM_SET_CPUID2 ioctls which reject
> changes to CPUID entries on running vCPUs.
> 
> [...]

Applied to kvm-x86 xen, thanks!

[1/1] KVM: x86: Update Xen TSC leaves during CPUID emulation
      https://github.com/kvm-x86/linux/commit/a2b00f85d783

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