tree b7bf1b249767764ef8899f8b44cd436a966fe863
parent 2b876f95d03e226394b5d360c86127cbefaf614b
author Thomas Gleixner <tglx@linutronix.de> 1259672520 +0100
committer Thomas Gleixner <tglx@linutronix.de> 1260364934 +0100

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>