tag 27e50fbf5cd54ed30da10a742a7369a2f61fa755
tagger Thomas Gleixner <tglx@linutronix.de> Sat Feb 20 14:35:55 2010 +0100
object cc24da0742870f152ddf1002aa39dfcd83f7cf9c

2.6.31-rt head marker

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

commit cc24da0742870f152ddf1002aa39dfcd83f7cf9c
author Andi Kleen <andi@firstfloor.org> Tue Dec 08 13:19:42 2009 +0100
committer Thomas Gleixner <tglx@linutronix.de> Tue Dec 08 15:03:26 2009 +0100
tree 2cf6a4209372892aa24ff30cf7a41ab5574ac62e
parent 05d5f5080a2e3fbbc0f762875b66721588f5e251

futex: Take mmap_sem for get_user_pages in fault_in_user_writeable

get_user_pages() must be called with mmap_sem held.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: stable@kernel.org
Cc: Andrew Morton <akpm@linuxfoundation.org>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Darren Hart <dvhltc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20091208121942.GA21298@basil.fritz.box>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>