sched: Protect task->cpus_allowed access in sched_getaffinity()

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sched_getaffinity() is not protected against a concurrent
modification of the tasks affinity.

Serialize the access with task_rq_lock(task).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20091208202026.769251187@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Thomas Gleixner 2009-12-08 20:24:16 +00:00 • committed by Ingo Molnar

parent 6ad4c18884

commit 3160568371

1 changed files with 4 additions and 0 deletions

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kernel/sched.c

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