Messages in this thread | | | Subject | Re: [PATCH] KVM: nVMX: expose "load IA32_PERF_GLOBAL_CTRL" controls | From | Krish Sadhukhan <> | Date | Thu, 21 Nov 2019 10:42:18 -0800 |
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On 11/21/19 6:29 AM, Paolo Bonzini wrote: > These controls were added by the recent commit 03a8871add95 ("KVM: > nVMX: Expose load IA32_PERF_GLOBAL_CTRL VM-{Entry,Exit} control", > 2019-11-13), so we should advertise them to userspace from > KVM_GET_MSR_FEATURE_INDEX_LIST, as well. > > Cc: Oliver Upton <oupton@google.com> > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> > --- > arch/x86/kvm/vmx/nested.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c > index 4aea7d304beb..4b4ce6a804ff 100644 > --- a/arch/x86/kvm/vmx/nested.c > +++ b/arch/x86/kvm/vmx/nested.c > @@ -5982,6 +5982,7 @@ void nested_vmx_setup_ctls_msrs(struct nested_vmx_msrs *msrs, u32 ept_caps, > #ifdef CONFIG_X86_64 > VM_EXIT_HOST_ADDR_SPACE_SIZE | > #endif > + VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | > VM_EXIT_LOAD_IA32_PAT | VM_EXIT_SAVE_IA32_PAT; > msrs->exit_ctls_high |= > VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR | > @@ -6001,6 +6002,7 @@ void nested_vmx_setup_ctls_msrs(struct nested_vmx_msrs *msrs, u32 ept_caps, > #ifdef CONFIG_X86_64 > VM_ENTRY_IA32E_MODE | > #endif > + VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL | > VM_ENTRY_LOAD_IA32_PAT; > msrs->entry_ctls_high |= > (VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | VM_ENTRY_LOAD_IA32_EFER); Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
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