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sched/swait: Prepare usage in completions
authorThomas Gleixner <tglx@linutronix.de>
Sat, 21 Mar 2020 11:25:59 +0000 (12:25 +0100)
committerPeter Zijlstra <peterz@infradead.org>
Sat, 21 Mar 2020 15:00:23 +0000 (16:00 +0100)
commitb3212fe2bc06fa1014b3063b85b2bac4332a1c28
tree5c27a5307ee1bd6784fde4be7fa11c05f29a32b4tree | snapshot
parente5d4d1756b07d9490a0269a9e68c1e05ee1feb9bcommit | diff
sched/swait: Prepare usage in completions

As a preparation to use simple wait queues for completions:

  - Provide swake_up_all_locked() to support complete_all()
  - Make __prepare_to_swait() public available

This is done to enable the usage of complete() within truly atomic contexts
on a PREEMPT_RT enabled kernel.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200321113242.228481202@linutronix.de
kernel/sched/sched.h diff | blob | history
kernel/sched/swait.c diff | blob | history
Domain: System / Kernel;