On 03/07/2015 14:01, Denis V. Lunev wrote:
> From: Andrey Smetanin <asmetanin@xxxxxxxxxxxxx>
>
> 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 <asmetanin@xxxxxxxxxxxxx>
> Signed-off-by: Denis V. Lunev <den@xxxxxxxxxx>
> CC: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> CC: Andreas Färber <afaerber@xxxxxxx>
Since there's been no answer for two months, I'll send a pull request
for this patch when I'm back.
Paolo
> ---
> 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);
> }
>
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