| Message ID | 1574343138-32015-1-git-send-email-pbonzini@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | KVM: nVMX: expose "load IA32_PERF_GLOBAL_CTRL" controls | expand |
On 21/11/19 14:32, Paolo Bonzini wrote: > These controls have always been supported (or at least have been > supported for longer than nested_vmx_setup_ctls_msrs has existed), > so we should advertise them to userspace. > > Cc: stable@vger.kernel.org > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Nevermind, they're actually very new (lesson learnt: cut-and-paste of commit messages is bad, especially if it leads to incorrect Cc to stable). Sending v2 at once... Paolo > --- > 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); >
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);
These controls have always been supported (or at least have been supported for longer than nested_vmx_setup_ctls_msrs has existed), so we should advertise them to userspace. Cc: stable@vger.kernel.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- arch/x86/kvm/vmx/nested.c | 2 ++ 1 file changed, 2 insertions(+)