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qmp: don't emit the RESET event on wakeup from S3 

QEMU is basically using reset logic when waking up from S3. This
causes the QMP RESET event to be emitted, which is wrong. Also,
the runstate checks done in reset are not necessary for S3 wakeup.

Fix this by untangling wakeup from reset logic and passing
VMRESET_SILENT to qemu_system_reset() to avoid emitting the RESET
event.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Luiz Capitulino 2012-08-08 17:29:17 -03:00
parent 08b76b9fc3
commit 1405819637
1 changed files with 15 additions and 1 deletions
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16
vl.c
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@ -1298,6 +1298,7 @@ static pid_t shutdown_pid;
static int powerdown_requested;
static int debug_requested;
static int suspend_requested;
static int wakeup_requested;
static NotifierList suspend_notifiers =
NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
static NotifierList wakeup_notifiers =
@ -1352,6 +1353,13 @@ static int qemu_suspend_requested(void)
return r;
}
static int qemu_wakeup_requested(void)
{
int r = wakeup_requested;
wakeup_requested = 0;
return r;
}
int qemu_powerdown_requested(void)
{
int r = powerdown_requested;
@ -1459,7 +1467,7 @@ void qemu_system_wakeup_request(WakeupReason reason)
runstate_set(RUN_STATE_RUNNING);
monitor_protocol_event(QEVENT_WAKEUP, NULL);
notifier_list_notify(&wakeup_notifiers, &reason);
reset_requested = 1;
wakeup_requested = 1;
qemu_notify_event();
}
@ -1539,6 +1547,12 @@ static bool main_loop_should_exit(void)
runstate_set(RUN_STATE_PAUSED);
}
}
if (qemu_wakeup_requested()) {
pause_all_vcpus();
cpu_synchronize_all_states();
qemu_system_reset(VMRESET_SILENT);
resume_all_vcpus();
}
if (qemu_powerdown_requested()) {
monitor_protocol_event(QEVENT_POWERDOWN, NULL);
qemu_irq_raise(qemu_system_powerdown);