From: Mohammed Gamal <m.gamal005@gmail.com>
To: mtosatti@redhat.com
Cc: kvm@vger.kernel.org, avi@redhat.com,
Mohammed Gamal <m.gamal005@gmail.com>
Subject: [PATCH] Handle emulation failure in userspace
Date: Tue, 1 Sep 2009 15:13:20 +0200 [thread overview]
Message-ID: <1251810800-28839-1-git-send-email-m.gamal005@gmail.com> (raw)
Since we return to userspace from KVM on invalid state emulation failure, let
qemu handle it.
Signed-off-by: Mohammed Gamal <m.gamal005@gmail.com>
---
qemu-kvm.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/qemu-kvm.c b/qemu-kvm.c
index b59e403..090a3ae 100644
--- a/qemu-kvm.c
+++ b/qemu-kvm.c
@@ -1029,6 +1029,14 @@ int kvm_run(kvm_vcpu_context_t vcpu, void *env)
r = kvm_s390_handle_reset(kvm, vcpu, run);
break;
#endif
+ case KVM_EXIT_INTERNAL_ERROR:
+ fprintf(stderr, "KVM internal error. Suberror: %d\n",
+ run->internal.suberror);
+ kvm_show_regs(vcpu);
+ if (run->internal.suberror == KVM_INTERNAL_ERROR_EMULATION)
+ fprintf(stderr, "emulation failure, check dmesg for details\n");
+ abort();
+ break;
default:
if (kvm_arch_run(vcpu)) {
fprintf(stderr, "unhandled vm exit: 0x%x\n", run->exit_reason);
--
1.6.0.4
next reply other threads:[~2009-09-01 13:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-01 13:13 Mohammed Gamal [this message]
2009-09-01 15:40 ` [PATCH] Handle emulation failure in userspace Marcelo Tosatti
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