David Howells f94df9890e Add wake_up_interruptible_sync_poll_locked() ...

Add a wakeup call for a case whereby the caller already has the waitqueue
spinlock held.  This can be used by pipes to alter the ring buffer indices
and issue a wakeup under the same spinlock.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>

2019-10-31 15:12:23 +00:00

14 KiB

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