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27 lines
844 B
Diff
27 lines
844 B
Diff
From: Thomas Gleixner <tglx@linutronix.de>
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Date: Tue, 9 Mar 2021 09:42:07 +0100
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Subject: [PATCH 04/20] tasklets: Use spin wait in tasklet_disable()
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temporarily
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To ease the transition use spin waiting in tasklet_disable() until all
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usage sites from atomic context have been cleaned up.
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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---
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include/linux/interrupt.h | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/include/linux/interrupt.h
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+++ b/include/linux/interrupt.h
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@@ -733,7 +733,8 @@ static inline void tasklet_disable_in_at
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static inline void tasklet_disable(struct tasklet_struct *t)
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{
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tasklet_disable_nosync(t);
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- tasklet_unlock_wait(t);
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+ /* Spin wait until all atomic users are converted */
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+ tasklet_unlock_spin_wait(t);
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smp_mb();
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}
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