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

From: Mike Frysinger
Date: Wed Jul 27 2011 - 20:18:38 EST


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
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