From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Jones Date: Mon, 27 Oct 2003 11:58:47 +0000 Subject: Re: [PATCH 2.4.23-pre8] Remove broken prefetching in free_one_pgd() Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org 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