On 08/31/2012 12:19 PM, Eric Anholt wrote:
> As far as I can see, the intention of the requirement that we do so is to
> prevent instruction prefetch from wandering out into either unmapped memory or
> memory with a different caching type, and hanging the chip. The kernel makes
> sure that the pag
As far as I can see, the intention of the requirement that we do so is to
prevent instruction prefetch from wandering out into either unmapped memory or
memory with a different caching type, and hanging the chip. The kernel makes
sure that the page after your BO has a valid page of the same cachin