Commit ea19f7d0 authored by Jim Mattson's avatar Jim Mattson Committed by Sean Christopherson
Browse files

KVM: x86: Remove IA32_PERF_GLOBAL_OVF_CTRL from KVM_GET_MSR_INDEX_LIST 



This MSR reads as 0, and any host-initiated writes are ignored, so
there's no reason to enumerate it in KVM_GET_MSR_INDEX_LIST.

Signed-off-by: default avatarJim Mattson <jmattson@google.com>
Link: https://lore.kernel.org/r/20231113184854.2344416-1-jmattson@google.com


Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
parent c3f38fa6

arch/x86/kvm/x86.c

+1 −1
Original line number Diff line number Diff line
@@ -1470,7 +1470,7 @@ static const u32 msrs_to_save_pmu[] = { 
	MSR_ARCH_PERFMON_FIXED_CTR0, MSR_ARCH_PERFMON_FIXED_CTR1,

	MSR_ARCH_PERFMON_FIXED_CTR0 + 2,

	MSR_CORE_PERF_FIXED_CTR_CTRL, MSR_CORE_PERF_GLOBAL_STATUS,

	MSR_CORE_PERF_GLOBAL_CTRL, MSR_CORE_PERF_GLOBAL_OVF_CTRL,

	MSR_CORE_PERF_GLOBAL_CTRL,

	MSR_IA32_PEBS_ENABLE, MSR_IA32_DS_AREA, MSR_PEBS_DATA_CFG,



	/* This part of MSRs should match KVM_INTEL_PMC_MAX_GENERIC. */