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>