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Date: Tue, 14 May 2002 23:44:45 +0200
From: Andi Kleen <ak@muc.de>
To: Pavel Machek <pavel@suse.cz>
Cc: Andi Kleen <ak@muc.de>, Andrew Morton <akpm@zip.com.au>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 2.5.14 IDE 56
Message-ID: <20020514234445.A4226@averell>
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On Mon, May 13, 2002 at 07:51:00PM +0200, Pavel Machek wrote:
> Hi!
> 
> > The tricky bit is to avoid prefetches over the boundary of your copy.
> > Prefetching from an uncached area or write combined area (like the 
> > AGP gart which could start in next page) triggers hardware bugs in
> > various boxes. This unfortunately complicates the prefetching loops
> > a bit.
> 
> CONFIG_MY_MACHINE_AINT_BORKEN? We definitely could assume that on x86-64.

I was advised by AMD that I should better avoid it even for future boxes.

-Andi