linux-kernel - Re: MediaGX/GeodeGX1 requires X86

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Message-ID: <20070319182355.GC22467@csclub.uwaterloo.ca>
Date:	Mon, 19 Mar 2007 14:23:55 -0400
From:	lsorense@...lub.uwaterloo.ca (Lennart Sorensen)
To:	takada <takada@....nifty.com>
Cc:	rdreier@...co.com, pcnet32@...izon.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: MediaGX/GeodeGX1 requires X86_OOSTORE.

On Sat, Mar 17, 2007 at 10:08:10PM +0900, takada wrote:
> I tested some patterns. just X86_OOSTORE was effective. WBINVD is needless.
> 
> --- arch/i386/Kconfig.cpu~	2007-02-05 03:44:54.000000000 +0900
> +++ arch/i386/Kconfig.cpu	2007-02-17 21:25:52.000000000 +0900
> @@ -322,7 +322,7 @@ config X86_USE_3DNOW
>  
>  config X86_OOSTORE
>  	bool
> -	depends on (MWINCHIP3D || MWINCHIP2 || MWINCHIPC6) && MTRR
> +	depends on (MWINCHIP3D || MWINCHIP2 || MWINCHIPC6) && MTRR || MGEODEGX1
>  	default y
>  
>  config X86_TSC

Well that is exactly what I did for the Geode SC1200 (a GX1 based
design) as well and it certainly improved things a lot for me as well.

--
Len Sorensen
-
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