Re: [PATCH v2] NOMMU: add support for Memory Protection Units (MPU)

[Mike Frysinger]

On Tue, Jul 14, 2009 at 13:14, Mike Frysinger wrote:
> From: Bernd Schmidt <bernds_cb1@xxxxxxxxxxx>
>
> Some architectures (like the Blackfin arch) implement some of the
> "simpler" features that one would expect out of a MMU such as memory
> protection. ÂIn our case, we actually get read/write/exec protection
> down to the page boundary so processes can't stomp on each other let
> alone the kernel. ÂThere is a performance decrease (which depends greatly
> on the workload) however as the hardware/software interaction was not
> optimized at design time.

David: anything else need to be done here or can we merge things ?
-mike
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