diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2013-12-11 14:09:53 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-12-11 18:47:59 +0400 |
| commit | 8e8339a3a1069141985daaa2521ba304509ddecd (patch) | |
| tree | acfef9f08997027721af46591be99d4dfde60f26 | |
| parent | 17b2112f332db7c2bac56926c9e627807bce3615 (diff) | |
| download | linux-8e8339a3a1069141985daaa2521ba304509ddecd.tar.xz | |
sched: Initialize power_orig for overlapping groups
Yinghai reported that he saw a /0 in sg_capacity on his EX parts.
Make sure to always initialize power_orig now that we actually use it.
Ideally build_sched_domains() -> init_sched_groups_power() would also
initialize this; but for some yet unexplained reason some setups seem
to miss updates there.
Reported-by: Yinghai Lu <yinghai@kernel.org>
Tested-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-l8ng2m9uml6fhibln8wqpom7@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | kernel/sched/core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index e85cda20ab2b..19af58f3a261 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5112,6 +5112,7 @@ build_overlap_sched_groups(struct sched_domain *sd, int cpu) * die on a /0 trap. */ sg->sgp->power = SCHED_POWER_SCALE * cpumask_weight(sg_span); + sg->sgp->power_orig = sg->sgp->power; /* * Make sure the first group of this domain contains the |