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KVM: x86: Add KVM_CAP_X86_ROBUST_SINGLESTEP

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Commit d2be1651b7 upstream.

This marks the guest single-step API improvement of 94fe45da and
91586a3b with a capability flag to allow reliable detection by user
space.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jan Kiszka
2010-03-13 11:33:47 +01:00
committed by Greg Kroah-Hartman
parent 5cf5162132
commit ce88fa6788
2 changed files with 2 additions and 0 deletions
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1
arch/x86/kvm/x86.c
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@@ -1351,6 +1351,7 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_XEN_HVM:
case KVM_CAP_ADJUST_CLOCK:
case KVM_CAP_VCPU_EVENTS:
case KVM_CAP_X86_ROBUST_SINGLESTEP:
r = 1;
break;
case KVM_CAP_COALESCED_MMIO:

1
include/linux/kvm.h
View File

@@ -497,6 +497,7 @@ struct kvm_ioeventfd {
#endif
#define KVM_CAP_S390_PSW 42
#define KVM_CAP_PPC_SEGSTATE 43
#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
#ifdef KVM_CAP_IRQ_ROUTING