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Diffstat (limited to 'Documentation/virtual/kvm/api.txt')
| -rw-r--r-- | Documentation/virtual/kvm/api.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt index 744a202cca31..e9c74876f177 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -4367,6 +4367,7 @@ Returns: 0 on success, -EINVAL when args[0] contains invalid exits Valid bits in args[0] are #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) +#define KVM_X86_DISABLE_EXITS_HLT (1 << 1) Enabling this capability on a VM provides userspace with a way to no longer intercept some instructions for improved latency in some @@ -4375,6 +4376,7 @@ physical CPUs. More bits can be added in the future; userspace can just pass the KVM_CHECK_EXTENSION result to KVM_ENABLE_CAP to disable all such vmexits. +Do not enable KVM_FEATURE_PV_UNHALT if you disable HLT exits. 8. Other capabilities. ---------------------- |