KVM: X86: Provide a capability to disable HLT intercepts

Browse source

If host CPUs are dedicated to a VM, we can avoid VM exits on HLT.
This patch adds the per-VM capability to disable them.

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>

...

This commit is contained in:

Wanpeng Li 2018-03-12 04:53:03 -07:00 • committed by Paolo Bonzini

parent 4d5422cea3

commit caa057a2ca

7 changed files with 46 additions and 2 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

Documentation/virtual/kvm/api.txt

View file

1

arch/x86/include/asm/kvm_host.h

View file

5

arch/x86/kvm/cpuid.c

View file

4

arch/x86/kvm/svm.c

View file

24

arch/x86/kvm/vmx.c

View file

3

arch/x86/kvm/x86.c

View file

9

arch/x86/kvm/x86.h

View file