[PATCH v14 07/11] KVM: vmx/pmu: Reduce the overhead of LBR pass-through or cancellation

When the LBR records msrs has already been pass-through, there is no need to call vmx_update_intercept_for_lbr_msrs() again and again, and vice versa. Signed-off-by: Like Xu Reviewed-by: Andi Kleen --- arch/x86/kvm/vmx/pmu_intel.c | 13 + arch/x86/kvm/vmx/vmx.h | 3 +++ 2 fil

[PATCH v14 07/11] KVM: vmx/pmu: Reduce the overhead of LBR pass-through or cancellation

When the LBR records msrs has already been pass-through, there is no need to call vmx_update_intercept_for_lbr_msrs() again and again, and vice versa. Signed-off-by: Like Xu Reviewed-by: Andi Kleen --- arch/x86/kvm/vmx/pmu_intel.c | 13 + arch/x86/kvm/vmx/vmx.h | 3 +++ 2 fil