Re: [PATCH 33/43] KVM: VMX: Refresh list of user return MSRs after setting guest CPUID

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Apr 23, 2021 at 5:55 PM Sean Christopherson <seanjc@xxxxxxxxxx> 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@xxxxxxxxxx>

Reviewed-by: Reiji Watanabe <reijiw@xxxxxxxxxx>



[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux