[tip: irq/core] tasklets: Switch tasklet_disable() to the sleep wait variant

tip-bot2 for Thomas Gleixner
2021-03-17T15:49:51Z

The following commit has been merged into the irq/core branch of tip:

Commit-ID: 6fd4e861250b5c89ad460a9f265caeb1bbbfc323
Gitweb: https://git.kernel.org/tip/6fd4e861250b5c89ad460a9f265caeb1bbbfc323
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Tue, 09 Mar 2021 09:42:17 +01:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Wed, 17 Mar 2021 16:34:07 +01:00

tasklets: Switch tasklet_disable() to the sleep wait variant

-- NOT FOR IMMEDIATE MERGING --

Now that all users of tasklet_disable() are invoked from sleepable context,
convert it to use tasklet_unlock_wait() which might sleep.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210309084242.726452321@linutronix.de

---
include/linux/interrupt.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 352db93..4777850 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -711,8 +711,7 @@ static inline void tasklet_disable_in_atomic(struct tasklet_struct *t)
static inline void tasklet_disable(struct tasklet_struct *t)
{
tasklet_disable_nosync(t);
- /* Spin wait until all atomic users are converted */
- tasklet_unlock_spin_wait(t);
+ tasklet_unlock_wait(t);
smp_mb();
}