diff mbox series

[1/2] KVM: x86: Remove the unreachable case for 0x80000022 leaf in __do_cpuid_func()

Message ID 20250304082314.472202-2-xiaoyao.li@intel.com (mailing list archive)
State New
Headers show
Series KVM: x86: Cleanup and fix for reporting CPUID leaf 0x80000022 | expand

Commit Message

Xiaoyao Li March 4, 2025, 8:23 a.m. UTC 
kvm_cpu_cap_has(X86_FEATURE_PERFMON_V2) must be true when it reaches
to setup value for EBX. Remove the unreachable code.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
---
 arch/x86/kvm/cpuid.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 0779437edd23..f9a9175e3fe8 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -1773,13 +1773,7 @@  static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
 
 		cpuid_entry_override(entry, CPUID_8000_0022_EAX);
 
-		if (kvm_cpu_cap_has(X86_FEATURE_PERFMON_V2))
-			ebx.split.num_core_pmc = kvm_pmu_cap.num_counters_gp;
-		else if (kvm_cpu_cap_has(X86_FEATURE_PERFCTR_CORE))
-			ebx.split.num_core_pmc = AMD64_NUM_COUNTERS_CORE;
-		else
-			ebx.split.num_core_pmc = AMD64_NUM_COUNTERS;
-
+		ebx.split.num_core_pmc = kvm_pmu_cap.num_counters_gp;
 		entry->ebx = ebx.full;
 		break;
 	}