Re: How to efficiently handle DMA and cache on ARMv7 ? (was "Is get_user_pages() enough to prevent pages from being swapped out ?")

[Laurent Desnogues]

On Fri, Aug 7, 2009 at 11:54 AM, Jamie Lokier<jamie@xxxxxxxxxxxxx> wrote:
>
> 1. Does the architecture not prevent speculative instruction
> prefetches from crossing a page boundary?  It would be handy under the
> circumstances.

There's no such restriction in ARMv7 architecture.


Laurent
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