sched/dl: Use dl_bw_of() under rcu_read_lock_sched()

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rq->rd is freed using call_rcu_sched(), so rcu_read_lock() to access it
is not enough. We should use either rcu_read_lock_sched() or preempt_disable().

Reported-by: Sasha Levin <sasha.levin@oracle.com>
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Kirill Tkhai <ktkhai@parallels.com
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Fixes: 66339c31bc "sched: Use dl_bw_of() under RCU read lock"
Link: http://lkml.kernel.org/r/1412065417.20287.24.camel@tkhai
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Kirill Tkhai 2014-09-30 12:23:37 +04:00 • committed by Ingo Molnar

parent 10a12983b3

commit f10e00f4bf

1 changed files with 16 additions and 9 deletions

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kernel/sched/core.c

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