KVM: X86: Provide a capability to disable cstate msr read intercepts

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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>

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Wanpeng Li 2019-05-21 14:06:53 +08:00 • committed by Paolo Bonzini

parent 8ffdaa7f49

commit b51700632e

7 changed files with 23 additions and 3 deletions

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4

include/uapi/linux/kvm.h

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