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[Qemu-devel] [PATCH 11/12] cpu: Add crash_occurred flag into CPUState
From: |
Denis V. Lunev |
Subject: |
[Qemu-devel] [PATCH 11/12] cpu: Add crash_occurred flag into CPUState |
Date: |
Fri, 3 Jul 2015 15:01:44 +0300 |
From: Andrey Smetanin <address@hidden>
CPUState::crash_occurred field inside CPUState marks
that guest crash occurred. This value is added into
cpu common migration subsection.
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>
---
exec.c | 19 +++++++++++++++++++
include/qom/cpu.h | 1 +
qom/cpu.c | 1 +
vl.c | 3 +++
4 files changed, 24 insertions(+)
diff --git a/exec.c b/exec.c
index f7883d2..15c9a29 100644
--- a/exec.c
+++ b/exec.c
@@ -465,6 +465,24 @@ static const VMStateDescription
vmstate_cpu_common_exception_index = {
}
};
+static bool cpu_common_crash_occurred_needed(void *opaque)
+{
+ CPUState *cpu = opaque;
+
+ return cpu->crash_occurred;
+}
+
+static const VMStateDescription vmstate_cpu_common_crash_occurred = {
+ .name = "cpu_common/crash_occurred",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = cpu_common_crash_occurred_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_BOOL(crash_occurred, CPUState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
const VMStateDescription vmstate_cpu_common = {
.name = "cpu_common",
.version_id = 1,
@@ -478,6 +496,7 @@ const VMStateDescription vmstate_cpu_common = {
},
.subsections = (const VMStateDescription*[]) {
&vmstate_cpu_common_exception_index,
+ &vmstate_cpu_common_crash_occurred,
NULL
}
};
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 39f0f19..aae05fd 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -263,6 +263,7 @@ struct CPUState {
bool created;
bool stop;
bool stopped;
+ bool crash_occurred;
volatile sig_atomic_t exit_request;
uint32_t interrupt_request;
int singlestep_enabled;
diff --git a/qom/cpu.c b/qom/cpu.c
index 108bfa2..c3c4674 100644
--- a/qom/cpu.c
+++ b/qom/cpu.c
@@ -249,6 +249,7 @@ static void cpu_common_reset(CPUState *cpu)
cpu->icount_decr.u32 = 0;
cpu->can_do_io = 0;
cpu->exception_index = -1;
+ cpu->crash_occurred = false;
memset(cpu->tb_jmp_cache, 0, TB_JMP_CACHE_SIZE * sizeof(void *));
}
diff --git a/vl.c b/vl.c
index 38eee1f..62bab42 100644
--- a/vl.c
+++ b/vl.c
@@ -1723,6 +1723,9 @@ void qemu_system_reset(bool report)
void qemu_system_guest_panicked(void)
{
+ if (current_cpu) {
+ current_cpu->crash_occurred = true;
+ }
qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
vm_stop(RUN_STATE_GUEST_PANICKED);
}
--
2.1.4
- [Qemu-devel] [PATCH 2/12] kvm: introduce vcpu_debug = kvm_debug + vcpu context, (continued)
- [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, 2015/07/03
- [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 <=
- [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