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| author | Paolo Bonzini <pbonzini@redhat.com> | 2022-05-03 07:57:40 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-05-03 08:09:13 -0400 |
| commit | 9913288318aa4acf2c849add1616e9b4df5a7b44 (patch) | |
| tree | f4c0db809e0c48c22a53f91109a9097a10637ce5 /arch/x86/kvm/cpuid.c | |
| parent | 6ea6581f127128a07e18f61ea691a22741a3c714 (diff) | |
| parent | 5a1bde46f98b893cda6122b00e94c0c40a6ead3c (diff) | |
Merge branch 'kvm-amd-pmu-fixes' into HEAD
Diffstat (limited to 'arch/x86/kvm/cpuid.c')
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index b24ca7f4ed7c..732724ea5b10 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -887,6 +887,11 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function) union cpuid10_eax eax; union cpuid10_edx edx; + if (!static_cpu_has(X86_FEATURE_ARCH_PERFMON)) { + entry->eax = entry->ebx = entry->ecx = entry->edx = 0; + break; + } + perf_get_x86_pmu_capability(&cap); /* |