linux-kernel - Re: [PATCH 0/3] KVM: x86: XSS and XCR0 fixes

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Message-ID: <3e978189-4c9a-53c3-31e7-c8ac1c51af31@redhat.com>
Date:   Wed, 26 Jan 2022 18:43:35 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Xiaoyao Li <xiaoyao.li@...el.com>,
        Like Xu <likexu@...cent.com>
Subject: Re: [PATCH 0/3] KVM: x86: XSS and XCR0 fixes

On 1/26/22 18:22, Sean Christopherson wrote:
> For convenience, Like's patch split up and applied on top of Xiaoyao.
> Tagged all for @stable, probably want to (retroactively?) get Xiaoyao's
> patch tagged too?
>   
> Like Xu (2):
>    KVM: x86: Update vCPU's runtime CPUID on write to MSR_IA32_XSS
>    KVM: x86: Sync the states size with the XCR0/IA32_XSS at, any time
> 
> Xiaoyao Li (1):
>    KVM: x86: Keep MSR_IA32_XSS unchanged for INIT
> 
>   arch/x86/kvm/x86.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> 
> base-commit: e2e83a73d7ce66f62c7830a85619542ef59c90e4

Queued, though I'll note that I kinda disagree with the stable@ marking 
of patch 1 (and therefore with the patch order) as it has no effect in 
practice.

Paolo