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| author | Gleb Natapov <gleb@redhat.com> | 2010-05-10 11:21:34 +0300 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-05-11 14:03:44 -0300 |
| commit | 4513d9232badcc5039d69dae946054ba2682c258 (patch) | |
| tree | 5eb6a23d01375e7123a0674bc48f48171c5c5fe2 /target-i386 | |
| parent | 0af691d779965663abdd7bc708c2ad7bce2f6da0 (diff) | |
| download | qemu-4513d9232badcc5039d69dae946054ba2682c258.zip qemu-4513d9232badcc5039d69dae946054ba2682c258.tar.gz qemu-4513d9232badcc5039d69dae946054ba2682c258.tar.bz2 | |
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.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c index bd7a190..676aa60 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); +} + |