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Date:	Sat, 17 Mar 2007 22:08:10 +0900 (JST)
From:	takada <>
Subject: Re: MediaGX/GeodeGX1 requires X86_OOSTORE.

From: (Lennart Sorensen)
Subject: Re: MediaGX/GeodeGX1 requires X86_OOSTORE.
Date: Thu, 15 Mar 2007 13:31:37 -0400

> On Thu, Mar 15, 2007 at 02:39:39PM +0900, takada wrote:
> > Hiroshi Miura posted `Geode out-of-order store enables' patch in Jun, 2003.
> > There is .
> > OOSTORE was enabled at this point in time. It seems to have disappeared somewhere.
> I believe the patch was rejected as 'not required' since the data sheet
> is not very clear on that "feature".

Is it you mean?
It seems not to be surely written in data sheet that OOSTORE is necessary. But Geode
reorder memory access.

> > BTW, I use MediaGX with kernel 2.6.20(and and suspend2. When I resume 
> > the PC and use the PC Card modem, PC is hungup. However, PC isn't hung up when
> > I apply a WBINVD patch.
> > I can't understand it whether there is problem in resume of suspend2 or MediaGX
> > or both. Many drivers lack support for resume on my PC.
> Which patch are you refering to?

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
-	depends on (MWINCHIP3D || MWINCHIP2 || MWINCHIPC6) && MTRR
 	default y
 config X86_TSC

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