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Subject: Re: [PATCH] Add generic prefetch xor routines
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Dave Jones <davej@codemonkey.org.uk>
Cc: Matthew Wilcox <willy@debian.org>, Linus Torvalds <torvalds@transmeta.com>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Thu, 2002-10-17 at 18:27, Dave Jones wrote:
> Won't this prefetch past the end of the buffer ?
> Some CPUs have problems with prefetching non-existant areas
> of RAM iirc. (Which is why the memcpy routines do a prefetching
> loop, and then a non prefetching loop to copy the tail).

Yes I reported this to Matthew ages ago, but its not been fixed. Thats
why I've not been merging that change anywhere.

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