Re: [PATCH 2.4.23-pre8] Remove broken prefetching in free_one_pgd()

From: Dave Jones
Date: Mon Oct 27 2003 - 07:00:20 EST


On Mon, Oct 27, 2003 at 10:52:59AM +0100, Pavel Machek wrote:

> > It isn't on some CPUs. Early athlons go bang when you prefetch
> > past the end of RAM into unmapped memory for eg.
>
> Well, broken HW :-(

There's a lot of it out there. If we didn't try to work around
some of it, we'd end up running on less < 10% of machines out there 8-)

> but andi's patch should fix up for that.

Different bug.

Dave

--
Dave Jones http://www.codemonkey.org.uk
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