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| author | Wanpeng Li <wanpengli@tencent.com> | 2019-05-21 14:06:53 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-06-04 19:27:35 +0200 |
| commit | b51700632e0e53254733ff706e5bdca22d19dbe5 (patch) | |
| tree | 43f67534a111e163d2535bb44b3222557797fae8 /arch/x86/include/asm/kvm_host.h | |
| parent | 8ffdaa7f491961efb4d02d3c8d806e9a60105adb (diff) | |
| download | lwn-b51700632e0e53254733ff706e5bdca22d19dbe5.tar.gz lwn-b51700632e0e53254733ff706e5bdca22d19dbe5.zip | |
KVM: X86: Provide a capability to disable cstate msr read intercepts
Allow guest reads CORE cstate when exposing host CPU power management capabilities
to the guest. PKG cstate is restricted to avoid a guest to get the whole package
information in multi-tenant scenario.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm_host.h')
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 15e973d9b840..aeadbc770eb2 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -882,6 +882,7 @@ struct kvm_arch { bool mwait_in_guest; bool hlt_in_guest; bool pause_in_guest; + bool cstate_in_guest; unsigned long irq_sources_bitmap; s64 kvmclock_offset; |