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KVM: Advertise synchronized mmu support to userspace

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Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2008-07-29 11:30:57 +03:00
parent e930bffe95
commit ed84862433
2 changed files with 2 additions and 0 deletions
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1
arch/x86/kvm/x86.c
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@ -883,6 +883,7 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_PIT: case KVM_CAP_PIT:
case KVM_CAP_NOP_IO_DELAY: case KVM_CAP_NOP_IO_DELAY:
case KVM_CAP_MP_STATE: case KVM_CAP_MP_STATE:
case KVM_CAP_SYNC_MMU:
r = 1; r = 1;
break; break;
case KVM_CAP_COALESCED_MMIO: case KVM_CAP_COALESCED_MMIO:

1
include/linux/kvm.h
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@ -371,6 +371,7 @@ struct kvm_trace_rec {
#define KVM_CAP_PV_MMU 13 #define KVM_CAP_PV_MMU 13
#define KVM_CAP_MP_STATE 14 #define KVM_CAP_MP_STATE 14
#define KVM_CAP_COALESCED_MMIO 15 #define KVM_CAP_COALESCED_MMIO 15
#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
/* /*
* ioctls for VM fds * ioctls for VM fds