Commit b0cd02c2 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

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: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210309084241.685352806@linutronix.de
parent ca5f6251

include/linux/interrupt.h

+2 −1
Original line number Diff line number Diff line
@@ -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();

}