Messages in this thread | | | Date | Fri, 10 Oct 2014 12:10:16 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH] sched/deadline: do not try to push tasks if pinned task switches to dl |
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On Fri, Oct 10, 2014 at 10:43:17AM +0800, Wanpeng Li wrote: > As Kirill mentioned(https://lkml.org/lkml/2013/1/29/118): > | If rq has already had 2 or more pushable tasks and we try to add a > | pinned task then call of push_rt_task will just waste a time. > > Just switched pinned task is not able to be pushed. If the rq had had > several dl tasks before they have already been considered as candidates > to be pushed (or pulled). This patch does the same behavior as rt class > which introduced by commit 104479 (sched/rt: Do not try to push tasks > if pinned task switches to RT).
Checkpatch rightly complains:
ERROR: Please use 12 or more chars for the git commit ID like: 'commit 10447917551e ("sched/rt: Do not try to push tasks if pinned task switches to RT")' #12: which introduced by commit 104479 (sched/rt: Do not try to push tasks
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