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KVM: add basic paravirt support

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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>
This commit is contained in:
Marcelo Tosatti
2008-02-22 12:21:36 -05:00
committed by Avi Kivity
parent 308b0f239e
commit a28e4f5a62
3 changed files with 4 additions and 1 deletions
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arch/x86/kvm/x86.c
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@@ -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: