linux-kernel - Re: [PATCH v3 4/4] KVM: SVM: fix emulation of msr reads/writes of MSR_FS_BASE and MSR_GS

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Message-ID: <ZskkNyOoQqiOYKM7@google.com>
Date: Fri, 23 Aug 2024 17:07:19 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Maxim Levitsky <mlevitsk@...hat.com>
Cc: kvm@...r.kernel.org, Ingo Molnar <mingo@...hat.com>, x86@...nel.org, 
	Paolo Bonzini <pbonzini@...hat.com>, Thomas Gleixner <tglx@...utronix.de>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, Borislav Petkov <bp@...en8.de>, linux-kernel@...r.kernel.org, 
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH v3 4/4] KVM: SVM: fix emulation of msr reads/writes of
 MSR_FS_BASE and MSR_GS_BASE

On Fri, Aug 16, 2024, Sean Christopherson wrote:
> On Thu, Aug 15, 2024, Maxim Levitsky wrote:
> > If these msrs are read by the emulator (e.g due to 'force emulation'
> > prefix), SVM code currently fails to extract the corresponding segment
> > bases, and return them to the emulator.
> 
> I'll apply this one for 6.11 and tag it for stable, i.e. no need to include this
> patch in v4.

I appear to have missed my normal "thank you" for this, so here it is, in kvm-x86
fixes:

[1/4] KVM: SVM: fix emulation of msr reads/writes of MSR_FS_BASE and MSR_GS_BASE
      https://github.com/kvm-x86/linux/commit/dad1613e0533