KVM: x86: Set intercept for Intel PT MSRs read/write

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To save performance overhead, disable intercept Intel PT MSRs
read/write when Intel PT is enabled in guest.
MSR_IA32_RTIT_CTL is an exception that will always be intercepted.

Signed-off-by: Chao Peng <chao.p.peng@linux.intel.com>
Signed-off-by: Luwei Kang <luwei.kang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Chao Peng 2018-10-24 16:05:15 +08:00 • committed by Paolo Bonzini

parent bf8c55d8dc

commit b08c28960f

2 changed files with 27 additions and 7 deletions

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33

arch/x86/kvm/vmx/vmx.c

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1

arch/x86/kvm/vmx/vmx.h

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