Commit 33b04b93 authored Jan 08, 2009 by Arjan van de Ven Committed by Linus Torvalds Jan 08, 2009

async: make async_synchronize_full() more serializing



turns out that there are real problems with allowing async
tasks that are scheduled from async tasks to run after
the async_synchronize_full() returns.

This patch makes the _full more strict and a complete
synchronization. Later I might need to add back a lighter
form of synchronization for other uses.. but not right now.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 85da1fb5

kernel/async.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -206,7 +206,9 @@ EXPORT_SYMBOL_GPL(async_schedule_special);

		void async_synchronize_full(void)
		{
		do {
		async_synchronize_cookie(next_cookie);
		} while (!list_empty(&async_running) \|\| !list_empty(&async_pending));
		}
		EXPORT_SYMBOL_GPL(async_synchronize_full);