KVM: VMX: Restore host's MSR_IA32_RTIT_CTL when it's not zero
A minor optimization to WRMSR MSR_IA32_RTIT_CTL when necessary. Opportunistically refine the comment to call out that KVM requires VM_EXIT_CLEAR_IA32_RTIT_CTL to expose PT to the guest. Reviewed-by:Sean Christopherson <seanjc@google.com> Signed-off-by:
Xiaoyao Li <xiaoyao.li@intel.com> Message-Id: <20210827070249.924633-2-xiaoyao.li@intel.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
parent
2839180c
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