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authorMarcelo Tosatti <mtosatti@redhat.com>2008-02-22 12:21:36 -0500
committerAvi Kivity <avi@qumranet.com>2008-04-27 12:00:24 +0300
commita28e4f5a621289fe0d9c8a461b0c256f9e17f3bc (patch)
treedfa62426cf55dfb2fad66e924eab34e9840bff12 /arch
parent308b0f239e8d6754b8b903d279e5b5b987e257ac (diff)
downloadop-kernel-dev-a28e4f5a621289fe0d9c8a461b0c256f9e17f3bc.zip
op-kernel-dev-a28e4f5a621289fe0d9c8a461b0c256f9e17f3bc.tar.gz
KVM: add basic paravirt support
Add basic KVM paravirt support. Avoid vm-exits on IO delays. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/x86.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 621a8e3..1b9e695 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -820,6 +820,7 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_EXT_CPUID:
case KVM_CAP_CLOCKSOURCE:
case KVM_CAP_PIT:
+ case KVM_CAP_NOP_IO_DELAY:
r = 1;
break;
case KVM_CAP_VAPIC:
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