[RFC/PATCH] mm/futex: Fix futex writes on archs with SW tracking of dirty & young

Mike Frysinger vapier.adi at gmail.com
Thu Jul 28 10:12:32 EST 2011


On Wed, Jul 27, 2011 at 03:20, Benjamin Herrenschmidt wrote:
> Hoping the BUG() isn't trippable by userspace but then it's no mmu, it's
> not like we care what userspace can do right :-)

side note ... common misconception that "no mmu" == "no memory
protection".  a few of the nommu processors have memory protection,
just no virtual<->physical translation.

thanks for the patch !
-mike


More information about the Linuxppc-dev mailing list