lkml.org 
[lkml]   [2021]   [May]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH 33/43] KVM: VMX: Refresh list of user return MSRs after setting guest CPUID
On Fri, Apr 23, 2021 at 5:55 PM Sean Christopherson <seanjc@google.com> wrote:
>
> After a CPUID update, refresh the list of user return MSRs that are
> loaded into hardware when running the vCPU. This is necessary to handle
> the oddball case where userspace exposes X86_FEATURE_RDTSCP to the guest
> after the vCPU is running.
>
> Fixes: 0023ef39dc35 ("kvm: vmx: Set IA32_TSC_AUX for legacy mode guests")
> Fixes: 4e47c7a6d714 ("KVM: VMX: Add instruction rdtscp support for guest")
> Signed-off-by: Sean Christopherson <seanjc@google.com>

Reviewed-by: Reiji Watanabe <reijiw@google.com>

\
 
 \ /
  Last update: 2021-05-19 07:47    [W:0.449 / U:0.096 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site