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Date: Fri, 7 Aug 2009 14:07:43 +0200
Message-ID: <761ea48b0908070507n5c580455pb86e5240a7cf6c0c@mail.gmail.com>
Subject: Re: How to efficiently handle DMA and cache on ARMv7 ? (was "Is 
	get_user_pages() enough to prevent pages from being swapped out ?")
From: Laurent Desnogues <laurent.desnogues@gmail.com>
To: Jamie Lokier <jamie@shareable.org>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>,
       Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
       David Xiao <dxiao@broadcom.com>, Ben Dooks <ben-linux@fluff.org>,
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On Fri, Aug 7, 2009 at 11:54 AM, Jamie Lokier<jamie@shareable.org> 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