lkml.org 
[lkml]   [2023]   [Aug]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC PATCH 6/6] timers: Make process_timeout() soft-interruptible
Date
The most frequent timer can be safely interrupted by other vectors as
it's only performing a wake-up.

Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
---
kernel/time/timer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index 1e43f54def0e..0f6eb9c0901c 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -2180,7 +2180,7 @@ signed long __sched schedule_timeout(signed long timeout)
expire = timeout + jiffies;

timer.task = current;
- timer_setup_on_stack(&timer.timer, process_timeout, 0);
+ timer_setup_on_stack(&timer.timer, process_timeout, TIMER_SOFTINTERRUPTIBLE);
__mod_timer(&timer.timer, expire, MOD_TIMER_NOTPENDING);
schedule();
del_timer_sync(&timer.timer);
--
2.34.1
\
 
 \ /
  Last update: 2023-08-01 15:26    [W:0.296 / U:1.072 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site