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[Qemu-devel] [PATCH 10/12] kvm: Add kvm system event crash handler
From: |
Denis V. Lunev |
Subject: |
[Qemu-devel] [PATCH 10/12] kvm: Add kvm system event crash handler |
Date: |
Fri, 3 Jul 2015 15:01:43 +0300 |
From: Andrey Smetanin <address@hidden>
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 <address@hidden>
Signed-off-by: Denis V. Lunev <address@hidden>
CC: Paolo Bonzini <address@hidden>
CC: Andreas Färber <address@hidden>
---
kvm-all.c | 4 ++++
linux-headers/linux/kvm.h | 1 +
2 files changed, 5 insertions(+)
diff --git a/kvm-all.c b/kvm-all.c
index 53e01d4..7a959b6 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1844,6 +1844,10 @@ int kvm_cpu_exec(CPUState *cpu)
qemu_system_reset_request();
ret = EXCP_INTERRUPT;
break;
+ case KVM_SYSTEM_EVENT_CRASH:
+ qemu_system_guest_panicked();
+ ret = 0;
+ break;
default:
DPRINTF("kvm_arch_handle_exit\n");
ret = kvm_arch_handle_exit(cpu, run);
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index fad9e5c..409be37 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -317,6 +317,7 @@ struct kvm_run {
struct {
#define KVM_SYSTEM_EVENT_SHUTDOWN 1
#define KVM_SYSTEM_EVENT_RESET 2
+#define KVM_SYSTEM_EVENT_CRASH 3
__u32 type;
__u64 flags;
} system_event;
--
2.1.4
- [Qemu-devel] [PATCH v6 0/12] HyperV equivalent of pvpanic driver, Denis V. Lunev, 2015/07/03
- [Qemu-devel] [PATCH 2/12] kvm: introduce vcpu_debug = kvm_debug + vcpu context, Denis V. Lunev, 2015/07/03
- [Qemu-devel] [PATCH 5/12] kvm: added KVM_REQ_HV_CRASH value to notify qemu about hyper-v crash, Denis V. Lunev, 2015/07/03
- [Qemu-devel] [PATCH 3/12] kvm: add hyper-v crash msrs values, Denis V. Lunev, 2015/07/03
- [Qemu-devel] [PATCH 6/12] kvm/x86: mark hyper-v crash msrs as partition wide, Denis V. Lunev, 2015/07/03
- [Qemu-devel] [PATCH 10/12] kvm: Add kvm system event crash handler,
Denis V. Lunev <=
- [Qemu-devel] [PATCH 8/12] kvm/x86: add sending hyper-v crash notification to user space, Denis V. Lunev, 2015/07/03
- [Qemu-devel] [PATCH 4/12] kvm/x86: added hyper-v crash msrs into kvm hyperv context, Denis V. Lunev, 2015/07/03
- [Qemu-devel] [PATCH 09/12] Added generic panic handler qemu_system_guest_panicked(), Denis V. Lunev, 2015/07/03
- [Qemu-devel] [PATCH 7/12] kvm/x86: added hyper-v crash data and ctl msr's get/set'ers, Denis V. Lunev, 2015/07/03
- [Qemu-devel] [PATCH 1/12] kvm/x86: move Hyper-V MSR's/hypercall code into hyperv.c file, Denis V. Lunev, 2015/07/03
- [Qemu-devel] [PATCH 11/12] cpu: Add crash_occurred flag into CPUState, Denis V. Lunev, 2015/07/03
- [Qemu-devel] [PATCH 12/12] i386/kvm: Hyper-v crash msrs set/get'ers and migration, Denis V. Lunev, 2015/07/03
- Re: [Qemu-devel] [PATCH v6 0/12] HyperV equivalent of pvpanic driver, Paolo Bonzini, 2015/07/07