[PATCH] hte: replace use of system_unbound_wq with system_dfl_wq

Marco Crivellari posted 1 patch 3 months, 1 week ago
There is a newer version of this series
drivers/hte/hte.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
[PATCH] hte: replace use of system_unbound_wq with system_dfl_wq
Posted by Marco Crivellari 3 months, 1 week ago
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.

system_unbound_wq should be the default workqueue so as not to enforce
locality constraints for random work whenever it's not required.

Adding system_dfl_wq to encourage its use when unbound work should be used.

The old system_unbound_wq will be kept for a few release cycles.

Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
---
 drivers/hte/hte.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hte/hte.c b/drivers/hte/hte.c
index 23a6eeb8c506..e2804636f2bd 100644
--- a/drivers/hte/hte.c
+++ b/drivers/hte/hte.c
@@ -826,7 +826,7 @@ int hte_push_ts_ns(const struct hte_chip *chip, u32 xlated_id,
 
 	ret = ei->cb(data, ei->cl_data);
 	if (ret == HTE_RUN_SECOND_CB && ei->tcb) {
-		queue_work(system_unbound_wq, &ei->cb_work);
+		queue_work(system_dfl_wq, &ei->cb_work);
 		set_bit(HTE_TS_QUEUE_WK, &ei->flags);
 	}
 
-- 
2.51.0