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From: Greg KH on 30 Mar 2010 20:00
2.6.33-stable review patch. If anyone has any objections, please let us know.

------------------

From: Jan Kiszka <jan.kiszka(a)siemens.com>

Commit d2be1651b736002e0c76d7095d6c0ba77b4a897c 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(a)siemens.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.de>

---
arch/x86/kvm/x86.c | 1 +
include/linux/kvm.h | 1 +
2 files changed, 2 insertions(+)

--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1351,6 +1351,7 @@ int kvm_dev_ioctl_check_extension(long e
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:
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -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



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