Peter Zijlstra 58877d347b sched: Better document ttwu() ...

Dave hit the problem fixed by commit:

  b6e13e8582 ("sched/core: Fix ttwu() race")

and failed to understand much of the code involved. Per his request a
few comments to (hopefully) clarify things.

Requested-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200702125211.GQ4800@hirez.programming.kicks-ass.net

2020-07-22 10:22:03 +02:00

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