From a627fa5abc3e55cddc704d352ac54b9cae090728 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 9 Mar 2021 09:42:07 +0100 Subject: [PATCH 044/191] 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 Signed-off-by: Sebastian Andrzej Siewior --- include/linux/interrupt.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 9d9475f7b89f..f0b82429950c 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -724,7 +724,8 @@ 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(); } -- 2.19.1