diff options
| author | Gleb Natapov <gleb@redhat.com> | 2010-10-14 05:22:55 -0400 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-01-12 04:23:21 -0500 |
| commit | 6adba527420651b6cacaf392541c09fb108711a2 (patch) | |
| tree | 1f81e4fc0bdf46b39ed62587a493f085633e8ac1 /arch/x86/include/asm/kvm_para.h | |
| parent | 6c047cd982f944fa63b2d96de2a06463d113f9fa (diff) | |
KVM: Let host know whether the guest can handle async PF in non-userspace context.
If guest can detect that it runs in non-preemptable context it can
handle async PFs at any time, so let host know that it can send async
PF even if guest cpu is not in userspace.
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm_para.h')
| -rw-r--r-- | arch/x86/include/asm/kvm_para.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h index fbfd3679bc18..d3a1a4805ab8 100644 --- a/arch/x86/include/asm/kvm_para.h +++ b/arch/x86/include/asm/kvm_para.h | |||
| @@ -38,6 +38,7 @@ | |||
| 38 | #define KVM_MAX_MMU_OP_BATCH 32 | 38 | #define KVM_MAX_MMU_OP_BATCH 32 |
| 39 | 39 | ||
| 40 | #define KVM_ASYNC_PF_ENABLED (1 << 0) | 40 | #define KVM_ASYNC_PF_ENABLED (1 << 0) |
| 41 | #define KVM_ASYNC_PF_SEND_ALWAYS (1 << 1) | ||
| 41 | 42 | ||
| 42 | /* Operations for KVM_HC_MMU_OP */ | 43 | /* Operations for KVM_HC_MMU_OP */ |
| 43 | #define KVM_MMU_OP_WRITE_PTE 1 | 44 | #define KVM_MMU_OP_WRITE_PTE 1 |