From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36713) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZcBqn-0002sm-Hj for qemu-devel@nongnu.org; Wed, 16 Sep 2015 08:30:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZcBqj-0005QJ-7g for qemu-devel@nongnu.org; Wed, 16 Sep 2015 08:30:13 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36789) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZcBqj-0005Q8-24 for qemu-devel@nongnu.org; Wed, 16 Sep 2015 08:30:09 -0400 From: Paolo Bonzini Date: Wed, 16 Sep 2015 14:29:37 +0200 Message-Id: <1442406595-14296-7-git-send-email-pbonzini@redhat.com> In-Reply-To: <1442406595-14296-1-git-send-email-pbonzini@redhat.com> References: <1442406595-14296-1-git-send-email-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PULL 06/24] kvm: Add kvm system event crash handler List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Andrey Smetanin , "Denis V. Lunev" , =?UTF-8?q?Andreas=20F=C3=A4rber?= From: Andrey Smetanin KVM kernel can send guest crash events into userspace. Appropriate guest crash handler is called when kernel guest crash event received. Guest crash event recognized by a KVM_SYSTEM_EVENT_CRASH type of system event. Signed-off-by: Andrey Smetanin Signed-off-by: Denis V. Lunev CC: Paolo Bonzini CC: Andreas F=C3=A4rber Message-Id: <1435924905-8926-11-git-send-email-den@openvz.org> [Rebase: add lock/unlock iothread around qemu_system_guest_panicked - Pao= lo] Signed-off-by: Paolo Bonzini --- kvm-all.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/kvm-all.c b/kvm-all.c index c6f5128..de1924c 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -1889,6 +1889,12 @@ int kvm_cpu_exec(CPUState *cpu) qemu_system_reset_request(); ret =3D EXCP_INTERRUPT; break; + case KVM_SYSTEM_EVENT_CRASH: + qemu_mutex_lock_iothread(); + qemu_system_guest_panicked(); + qemu_mutex_unlock_iothread(); + ret =3D 0; + break; default: DPRINTF("kvm_arch_handle_exit\n"); ret =3D kvm_arch_handle_exit(cpu, run); --=20 2.5.0