From 7c207b90465bc16a39b9fb8d9194f161059f69bf Mon Sep 17 00:00:00 2001 From: Andrey Smetanin Date: Fri, 3 Jul 2015 15:01:43 +0300 Subject: kvm: Add kvm system event crash handler MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Färber Message-Id: <1435924905-8926-11-git-send-email-den@openvz.org> [Rebase: add lock/unlock iothread around qemu_system_guest_panicked - Paolo] 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 c6f5128756..de1924c467 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -1889,6 +1889,12 @@ int kvm_cpu_exec(CPUState *cpu) qemu_system_reset_request(); ret = EXCP_INTERRUPT; break; + case KVM_SYSTEM_EVENT_CRASH: + qemu_mutex_lock_iothread(); + qemu_system_guest_panicked(); + qemu_mutex_unlock_iothread(); + ret = 0; + break; default: DPRINTF("kvm_arch_handle_exit\n"); ret = kvm_arch_handle_exit(cpu, run); -- cgit v1.2.3