From b0cd02c2a9494dbf0a1cc7dc7a3b8b400c158d37 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 9 Mar 2021 09:42:07 +0100 Subject: tasklets: Use spin wait in tasklet_disable() temporarily To ease the transition use spin waiting in tasklet_disable() until all usage sites from atomic context have been cleaned up. Signed-off-by: Thomas Gleixner Acked-by: Peter Zijlstra (Intel) Link: https://lore.kernel.org/r/20210309084241.685352806@linutronix.de --- include/linux/interrupt.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'include/linux/interrupt.h') diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 3c8a29176258..b7f00121f124 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -728,7 +728,8 @@ static inline void tasklet_disable_in_atomic(struct tasklet_struct *t) static inline void tasklet_disable(struct tasklet_struct *t) { tasklet_disable_nosync(t); - tasklet_unlock_wait(t); + /* Spin wait until all atomic users are converted */ + tasklet_unlock_spin_wait(t); smp_mb(); } -- cgit