AcoSail/kernel_optimize_test
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Hibernation: Invoke suspend notifications after console switch

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Following the recent change in the suspend code path, switch consoles before
calling PM notifiers during hibernation.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Rafael J. Wysocki 2008-01-11 01:25:21 +01:00 committed by Len Brown
parent af258f516b
commit 5a0a2f3046
1 changed files with 7 additions and 10 deletions
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17
kernel/power/disk.c
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@ -458,20 +458,13 @@ static void power_down(void)
while(1);
}
static void unprepare_processes(void)
{
thaw_processes();
pm_restore_console();
}
static int prepare_processes(void)
{
int error = 0;
pm_prepare_console();
if (freeze_processes()) {
error = -EBUSY;
unprepare_processes();
thaw_processes();
}
return error;
}
@ -491,6 +484,7 @@ int hibernate(void)
goto Unlock;
}
pm_prepare_console();
error = pm_notifier_call_chain(PM_HIBERNATION_PREPARE);
if (error)
goto Exit;
@ -530,11 +524,12 @@ int hibernate(void)
swsusp_free();
}
Thaw:
unprepare_processes();
thaw_processes();
Finish:
free_basic_memory_bitmaps();
Exit:
pm_notifier_call_chain(PM_POST_HIBERNATION);
pm_restore_console();
atomic_inc(&snapshot_device_available);
Unlock:
mutex_unlock(&pm_mutex);
@ -603,6 +598,7 @@ static int software_resume(void)
goto Unlock;
}
pm_prepare_console();
error = pm_notifier_call_chain(PM_RESTORE_PREPARE);
if (error)
goto Finish;
@ -626,11 +622,12 @@ static int software_resume(void)
printk(KERN_ERR "PM: Restore failed, recovering.\n");
swsusp_free();
unprepare_processes();
thaw_processes();
Done:
free_basic_memory_bitmaps();
Finish:
pm_notifier_call_chain(PM_POST_RESTORE);
pm_restore_console();
atomic_inc(&snapshot_device_available);
/* For success case, the suspend path will release the lock */
Unlock: