linux-kernel - Re: [PATCH v13 03/11] KVM: VMX: Set guest CET MSRs per KVM and host configuration

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Date:   Fri, 3 Jul 2020 23:02:27 +0800
From:   Yang Weijiang <weijiang.yang@...el.com>
To:     Xiaoyao Li <xiaoyao.li@...el.com>
Cc:     Yang Weijiang <weijiang.yang@...el.com>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, pbonzini@...hat.com,
        sean.j.christopherson@...el.com, jmattson@...gle.com,
        yu.c.zhang@...ux.intel.com
Subject: Re: [PATCH v13 03/11] KVM: VMX: Set guest CET MSRs per KVM and host
 configuration

On Thu, Jul 02, 2020 at 11:13:35PM +0800, Xiaoyao Li wrote:
> On 7/1/2020 4:04 PM, Yang Weijiang wrote:
> > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> > index c5835f9cb9ad..6390b62c12ed 100644
> > --- a/arch/x86/kvm/x86.c
> > +++ b/arch/x86/kvm/x86.c
> > @@ -186,6 +186,9 @@ static struct kvm_shared_msrs __percpu *shared_msrs;
> >   				| XFEATURE_MASK_BNDCSR | XFEATURE_MASK_AVX512 \
> >   				| XFEATURE_MASK_PKRU)
> > +#define KVM_SUPPORTED_XSS       (XFEATURE_MASK_CET_USER | \
> > +				 XFEATURE_MASK_CET_KERNEL)
> > +
> 
> This definition need to be moved to Patch 5?
> 
Good capture, thanks! I'll move it in next series.

> >   u64 __read_mostly host_efer;
> >   EXPORT_SYMBOL_GPL(host_efer);
> >