Files
linux/kernel
Matt Fleming 4d25b35ea3 sched/fair: Restore previous rq_flags when migrating tasks in hotplug
__migrate_task() can return with a different runqueue locked than the
one we passed as an argument. So that we can repin the lock in
migrate_tasks() (and keep the update_rq_clock() bit) we need to
restore the old rq_flags before repinning.

Note that it wouldn't be correct to change move_queued_task() to repin
because of the change of runqueue and the fact that having an
up-to-date clock on the initial rq doesn't mean the new rq has one
too.

Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-01-30 11:46:35 +01:00
..
2017-01-10 18:31:54 -08:00
2017-01-12 07:01:56 -07:00
2016-11-25 16:25:52 -05:00
2016-12-26 17:30:24 -08:00
2016-12-25 17:21:22 +01:00
2016-12-12 18:55:06 -08:00
2016-05-27 15:26:11 -07:00
2016-12-22 22:58:37 -05:00
2016-09-22 20:00:36 -05:00