From ce88fa67882ff2b1501e2a72a83e4eab638df711 Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Sat, 13 Mar 2010 11:33:47 +0100 Subject: [PATCH] KVM: x86: Add KVM_CAP_X86_ROBUST_SINGLESTEP 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 Signed-off-by: Greg Kroah-Hartman --- arch/x86/kvm/x86.c | 1 + include/linux/kvm.h | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index a1e1bc9d412d..e900908174fa 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -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: diff --git a/include/linux/kvm.h b/include/linux/kvm.h index a24de0b1858e..553a3882a451 100644 --- 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 -- 2.47.3