From: Dave Jones <davej@redhat.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH 2.4.23-pre8] Remove broken prefetching in free_one_pgd()
Date: Mon, 27 Oct 2003 11:58:47 +0000 [thread overview]
Message-ID: <marc-linux-ia64-106725598006548@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-106702916015259@msgid-missing>
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
next prev parent reply other threads:[~2003-10-27 11:58 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-24 20:56 [PATCH 2.4.23-pre8] Remove broken prefetching in free_one_pgd() Luck, Tony
2003-10-24 22:01 ` David Mosberger
2003-10-24 22:16 ` Luck, Tony
2003-10-24 22:21 ` David Mosberger
2003-10-25 20:10 ` Pavel Machek
2003-10-26 14:51 ` Dave Jones
2003-10-27 9:52 ` Pavel Machek
2003-10-27 11:58 ` Dave Jones [this message]
2003-10-30 20:57 ` Bjorn Helgaas
2003-10-30 21:36 ` Luck, Tony
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