lkml.org 
[lkml]   [2019]   [Dec]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip: sched/urgent] sched/rt, workqueue: Use PREEMPTION
The following commit has been merged into the sched/urgent branch of tip:

Commit-ID: 025f50f3866486a5278afa91f0d3b6b780141050
Gitweb: https://git.kernel.org/tip/025f50f3866486a5278afa91f0d3b6b780141050
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
AuthorDate: Tue, 15 Oct 2019 21:18:21 +02:00
Committer: Ingo Molnar <mingo@kernel.org>
CommitterDate: Sun, 08 Dec 2019 14:37:37 +01:00

sched/rt, workqueue: Use PREEMPTION

CONFIG_PREEMPTION is selected by CONFIG_PREEMPT and by CONFIG_PREEMPT_RT.
Both PREEMPT and PREEMPT_RT require the same functionality which today
depends on CONFIG_PREEMPT.

Update the comment to use PREEMPTION because it is true for both
preemption models.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20191015191821.11479-35-bigeasy@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
kernel/workqueue.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index bc88fd9..bf57dc7 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -2280,7 +2280,7 @@ __acquires(&pool->lock)
}

/*
- * The following prevents a kworker from hogging CPU on !PREEMPT
+ * The following prevents a kworker from hogging CPU on !PREEMPTION
* kernels, where a requeueing work item waiting for something to
* happen could deadlock with stop_machine as such work item could
* indefinitely requeue itself while all other CPUs are trapped in
\
 
 \ /
  Last update: 2019-12-08 16:01    [W:0.463 / U:1.904 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site