Hmm...I made a last second "optimization" before sending that patch out and
then realized it was racy. Try this one instead...(sorry for the churn)
-Greg
------------------------------
sched: update root-domain spans upon departure
We shouldnt leave cpus enabled in the spans if that RQ has left the domain.
Signed-off-by: Gregory Haskins <[email protected]>
---
kernel/sched.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index 05a9a81..02f04bc 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5843,6 +5843,9 @@ static void rq_attach_root(struct rq *rq, struct root_domain *rd)
class->leave_domain(rq);
}
+ cpu_clear(rq->cpu, old_rd->span);
+ cpu_clear(rq->cpu, old_rd->online);
+
if (atomic_dec_and_test(&old_rd->refcount))
kfree(old_rd);
}
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