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authorGleb Natapov <gleb@redhat.com>2010-05-10 11:21:34 +0300
committerMarcelo Tosatti <mtosatti@redhat.com>2010-05-11 14:03:44 -0300
commit4513d9232badcc5039d69dae946054ba2682c258 (patch)
tree5eb6a23d01375e7123a0674bc48f48171c5c5fe2 /target-i386
parent0af691d779965663abdd7bc708c2ad7bce2f6da0 (diff)
Do not stop VM if emulation failed in userspace.
Continue vcpu execution in case emulation failure happened while vcpu was in userspace. In this case #UD will be injected into the guest allowing guest OS to kill offending process and continue. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'target-i386')
-rw-r--r--target-i386/kvm.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index bd7a19067..676aa6079 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -1289,3 +1289,10 @@ void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg)
}
}
#endif /* KVM_CAP_SET_GUEST_DEBUG */
+
+bool kvm_arch_stop_on_emulation_error(CPUState *env)
+{
+ return !(env->cr[0] & CR0_PE_MASK) ||
+ ((env->segs[R_CS].selector & 3) != 3);
+}
+