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sched: correct SD_flags returned by tl->sd_flags()

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During sched domain init, we check whether non-topological SD_flags are
returned by tl->sd_flags(), if found, fire a waning and correct the
violation, but the code failed to correct the violation. Correct this.

Fixes: 143e1e28cb40 ("sched: Rework sched_domain topology definition")
Signed-off-by: Peng Liu <iwtbavbm@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Vincent Guittot <vincent.guittot@linaro.org>
Reviewed-by: Valentin Schneider <valentin.schneider@arm.com>
Link: https://lkml.kernel.org/r/20200609150936.GA13060@iZj6chx1xj0e0buvshuecpZ
This commit is contained in:
Peng Liu
2020-06-09 23:09:36 +08:00
committed by Peter Zijlstra
parent 3ea2f097b1
commit 9b1b234bb8
1 changed files with 1 additions and 1 deletions
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2
kernel/sched/topology.c
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@ -1328,7 +1328,7 @@ sd_init(struct sched_domain_topology_level *tl,
sd_flags = (*tl->sd_flags)();
if (WARN_ONCE(sd_flags & ~TOPOLOGY_SD_FLAGS,
"wrong sd_flags in topology description\n"))
sd_flags &= ~TOPOLOGY_SD_FLAGS;
sd_flags &= TOPOLOGY_SD_FLAGS;
/* Apply detected topology flags */
sd_flags |= dflags;