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ACPI: fixes a false alarm from lockdep
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>
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@ -758,7 +758,14 @@ static acpi_status __acpi_os_execute(acpi_execute_type type,
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queue = hp ? kacpi_hotplug_wq :
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(type == OSL_NOTIFY_HANDLER ? kacpi_notify_wq : kacpid_wq);
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dpc->wait = hp ? 1 : 0;
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INIT_WORK(&dpc->work, acpi_os_execute_deferred);
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if (queue == kacpi_hotplug_wq)
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INIT_WORK(&dpc->work, acpi_os_execute_deferred);
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else if (queue == kacpi_notify_wq)
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INIT_WORK(&dpc->work, acpi_os_execute_deferred);
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else
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INIT_WORK(&dpc->work, acpi_os_execute_deferred);
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ret = queue_work(queue, &dpc->work);
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if (!ret) {
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