tree 4ee18c7233de8e28b1fc87031fa1be7a2d59e5d2
parent f5754bfd107b08edddaf871d676ec6fe0792d07a
author Andi Kleen <andi@firstfloor.org> 1260274782 +0100
committer Thomas Gleixner <tglx@linutronix.de> 1260280776 +0100

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>