Commit e40ad215 authored by Marco Crivellari's avatar Marco Crivellari Committed by Greg Kroah-Hartman
Browse files

driver core: replace use of system_unbound_wq with system_dfl_wq 



Currently if a user enqueue a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.

This lack of consistentcy cannot be addressed without refactoring the API.

This continues the effort to refactor workqueue APIs, which began with
the introduction of new workqueues and a new alloc_workqueue flag in:

commit 128ea9f6 ("workqueue: Add system_percpu_wq and system_dfl_wq")
commit 930c2ea5 ("workqueue: Add new WQ_PERCPU flag")

Switch to using system_dfl_wq because system_unbound_wq is going away as part of
a workqueue restructuring.

Suggested-by: default avatarTejun Heo <tj@kernel.org>
Signed-off-by: default avatarMarco Crivellari <marco.crivellari@suse.com>
Link: https://patch.msgid.link/20251114141618.172154-2-marco.crivellari@suse.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent cd22926a

drivers/base/dd.c

+1 −1
Original line number Diff line number Diff line
@@ -193,7 +193,7 @@ void driver_deferred_probe_trigger(void) 
	 * Kick the re-probe thread.  It may already be scheduled, but it is

	 * safe to kick it again.

	 */

	queue_work(system_unbound_wq, &deferred_probe_work);

	queue_work(system_dfl_wq, &deferred_probe_work);

}



/**