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authorThomas Gleixner <tglx@linutronix.de>2009-12-01 08:02:00 -0500
committerThomas Gleixner <tglx@linutronix.de>2009-12-09 08:22:14 -0500
commitf409adf5b1db55ece7e80b67a944f9c0d3fe93e9 (patch)
treeb7bf1b249767764ef8899f8b44cd436a966fe863 /mm/filemap.c
parent2b876f95d03e226394b5d360c86127cbefaf614b (diff)
futex: Protect pid lookup in compat code with RCU
find_task_by_vpid() in compat_sys_get_robust_list() does not require tasklist_lock. It can be protected with rcu_read_lock as done in sys_get_robust_list() already. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Darren Hart <dvhltc@us.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'mm/filemap.c')
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