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ACPI: fixes a false alarm from lockdep

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fixes a false alarm from lockdep, as acpi hotplug workqueue waits other
workqueues.
http://bugzilla.kernel.org/show_bug.cgi?id=14553
https://bugzilla.kernel.org/show_bug.cgi?id=15521

Original-patch-from: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Zhang Rui 2010-03-22 15:48:54 +08:00 committed by Len Brown
parent 1ee4d61fd9
commit bc73675b99
1 changed files with 8 additions and 1 deletions
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7
drivers/acpi/osl.c
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@ -758,7 +758,14 @@ static acpi_status __acpi_os_execute(acpi_execute_type type,
queue = hp ? kacpi_hotplug_wq :
(type == OSL_NOTIFY_HANDLER ? kacpi_notify_wq : kacpid_wq);
dpc->wait = hp ? 1 : 0;
if (queue == kacpi_hotplug_wq)
INIT_WORK(&dpc->work, acpi_os_execute_deferred);
else if (queue == kacpi_notify_wq)
INIT_WORK(&dpc->work, acpi_os_execute_deferred);
else
INIT_WORK(&dpc->work, acpi_os_execute_deferred);
ret = queue_work(queue, &dpc->work);
if (!ret) {