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| author | Wanpeng Li <wanpengli@tencent.com> | 2018-03-12 04:53:04 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-03-16 22:03:53 +0100 |
| commit | b31c114b82b2b55913d2cf744e6a665c2ca090ac (patch) | |
| tree | 56aabff42789a37caea34841c397c5caf066bd34 /arch/x86/include | |
| parent | caa057a2cad647fb368a12c8e6c410ac4c28e063 (diff) | |
| download | op-kernel-dev-b31c114b82b2b55913d2cf744e6a665c2ca090ac.zip op-kernel-dev-b31c114b82b2b55913d2cf744e6a665c2ca090ac.tar.gz | |
KVM: X86: Provide a capability to disable PAUSE intercepts
Allow to disable pause loop exit/pause filtering on a per VM basis.
If some VMs have dedicated host CPUs, they won't be negatively affected
due to needlessly intercepted PAUSE instructions.
Thanks to Jan H. Schönherr's initial patch.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Jan H. Schönherr <jschoenh@amazon.de>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include')
| -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 31f4186..8fb6028 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -813,6 +813,7 @@ struct kvm_arch { bool mwait_in_guest; bool hlt_in_guest; + bool pause_in_guest; bool ept_identity_pagetable_done; gpa_t ept_identity_map_addr; |
