[patch 12/31] futex: PI state locking fix

-stable review patch. If anyone has any objections, please let us know. -- From: Ingo Molnar <[EMAIL PROTECTED]> Testing of -rt by IBM uncovered a locking bug in wake_futex_pi(): the PI state needs to be locked before we access it. Signed-off-by: Ingo Molnar <[EMAIL

[patch 12/31] futex: PI state locking fix

-stable review patch. If anyone has any objections, please let us know. -- From: Ingo Molnar [EMAIL PROTECTED] Testing of -rt by IBM uncovered a locking bug in wake_futex_pi(): the PI state needs to be locked before we access it. Signed-off-by: Ingo Molnar [EMAIL PROTECTED]