diff options
Diffstat (limited to 'features/rt/tasklets-Switch-tasklet_disable-to-the-sleep-wait-va.patch')
-rw-r--r-- | features/rt/tasklets-Switch-tasklet_disable-to-the-sleep-wait-va.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/features/rt/tasklets-Switch-tasklet_disable-to-the-sleep-wait-va.patch b/features/rt/tasklets-Switch-tasklet_disable-to-the-sleep-wait-va.patch new file mode 100644 index 00000000..22004d44 --- /dev/null +++ b/features/rt/tasklets-Switch-tasklet_disable-to-the-sleep-wait-va.patch @@ -0,0 +1,34 @@ +From 608657964209120854b4be1d11f6d052f34465a9 Mon Sep 17 00:00:00 2001 +From: Thomas Gleixner <tglx@linutronix.de> +Date: Tue, 9 Mar 2021 09:42:17 +0100 +Subject: [PATCH 054/191] 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> +Signed-off-by: Sebastian Andrzej Siewior <bigeasy@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 d6876e1aa6c1..3b56b73deca2 100644 +--- a/include/linux/interrupt.h ++++ b/include/linux/interrupt.h +@@ -707,8 +707,7 @@ 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(); + } + +-- +2.19.1 + |