linux-kernel - [tip: irq/core] tasklets: Switch tasklet

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Message-ID: <161599613508.398.18146002292404774607.tip-bot2@tip-bot2>
Date:   Wed, 17 Mar 2021 15:48:55 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org, maz@...nel.org
Subject: [tip: irq/core] tasklets: Switch tasklet_disable() to the sleep wait variant

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@...utronix.de>
AuthorDate:    Tue, 09 Mar 2021 09:42:17 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.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@...utronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@...radead.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();
 }