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@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Shaohua Li <shaohua.li@xxxxxxxxx> Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx> --- drivers/acpi/osl.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) Index: linux-2.6/drivers/acpi/osl.c =================================================================== --- linux-2.6.orig/drivers/acpi/osl.c 2010-03-19 09:34:33.000000000 +0800 +++ linux-2.6/drivers/acpi/osl.c 2010-03-19 09:36:00.000000000 +0800 @@ -758,7 +758,14 @@ queue = hp ? kacpi_hotplug_wq : (type == OSL_NOTIFY_HANDLER ? kacpi_notify_wq : kacpid_wq); dpc->wait = hp ? 1 : 0; - INIT_WORK(&dpc->work, acpi_os_execute_deferred); + + 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) { -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html