Commit 7c207b90 authored by Andrey Smetanin's avatar Andrey Smetanin Committed by Paolo Bonzini
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kvm: Add kvm system event crash handler 



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: default avatarAndrey Smetanin <asmetanin@virtuozzo.com>
Signed-off-by: default avatarDenis V. Lunev <den@openvz.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Andreas Färber <afaerber@suse.de>
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: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent bac05aa9

kvm-all.c

+6 −0
Original line number Diff line number Diff line
@@ -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);