| From | Sean Christopherson <> | Subject | [PATCH v2 52/66] KVM: x86: Use kvm_cpu_caps to detect Intel PT support | Date | Mon, 2 Mar 2020 15:56:55 -0800 |
| |
Check for Intel PT using kvm_cpu_cap_has() to pave the way toward eliminating ->pt_supported().
No functional change intended.
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> --- arch/x86/kvm/cpuid.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index c0ee0cb33a37..eebd7f613f67 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -509,7 +509,6 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function) { struct kvm_cpuid_entry2 *entry; int r, i, max_idx; - unsigned f_intel_pt = kvm_x86_ops->pt_supported() ? F(INTEL_PT) : 0; /* all calls to cpuid_count() should be made on the same cpu */ get_cpu(); @@ -680,7 +679,7 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function) break; /* Intel PT */ case 0x14: - if (!f_intel_pt) { + if (!kvm_cpu_cap_has(X86_FEATURE_INTEL_PT)) { entry->eax = entry->ebx = entry->ecx = entry->edx = 0; break; } -- 2.24.1
|