From: "James M." <dart@windeath.2y.net>
To: Andi Kleen <ak@muc.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Obvious one-liner - Use 3DNOW on MK8
Date: Sun, 22 Aug 2004 00:52:27 -0500 [thread overview]
Message-ID: <4128349B.7050304@windeath.2y.net> (raw)
In-Reply-To: <m34qmwx8nv.fsf@averell.firstfloor.org>
Then perhaps the code should be removed or at least explain in the help
why it can't be selected...do you have a preference?
Does having this disabled confuse apps like Mplayer who detect the cpu
and expect it to be there? I'm guessing the kernel handles it correctly
but I'm just curious.
Andi Kleen wrote:
> "James M." writes:
>
>
>>Title says it...my Athlon 64 definitely uses 3DNOW. Patch changes
>>arch/i386/Kconfig and has a 3 line fudge factor(I created it a few
>>kernels back). Might want to check other arches for the same bug.
>
>
> It it's not a bug, it is a feature. The K8 is better off not using
> the 3dnow memcpy, which is the only feature this CONFIG controls.
>
> Please don't apply.
>
> -Andi
>
next prev parent reply other threads:[~2004-08-22 5:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <2vOfA-7Vg-7@gated-at.bofh.it>
2004-08-22 1:29 ` Obvious one-liner - Use 3DNOW on MK8 Andi Kleen
2004-08-22 5:52 ` James M. [this message]
2004-08-22 11:38 ` Marc Ballarin
[not found] ` <200408221118.45146.vda@port.imtp.ilyichevsk.odessa.ua>
2004-08-22 14:47 ` Andi Kleen
[not found] ` <200408222146.34798.vda@port.imtp.ilyichevsk.odessa.ua>
[not found] ` <20040823195842.GA7952@muc.de>
2004-08-23 22:24 ` Denis Vlasenko
2004-08-23 22:31 ` Denis Vlasenko
2004-08-22 0:14 James M.
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