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Subject: Re: [PATCH] [RFC] [2.5 i386] GCC 3.1 -march support, PPRO_FENCE
	reduction, prefetch fixes and other CPU-related changes
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Luca Barbieri <ldb@ldb.ods.org>
Cc: "J.A. Magallon" <jamagallon@able.es>,
       Linux-Kernel ML <linux-kernel@vger.kernel.org>
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Date: 04 Aug 2002 22:54:35 +0100
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On Sun, 2002-08-04 at 21:23, Luca Barbieri wrote:
> Added, with the exception that sfence is only used if CONFIG_X86_OOSTORE
> is not defined (currently never).

Ok sorry I follow what you are doing. What I don't understand is why you
are generating unneeded sfence/mfence instructions in the other cases ?

When we use MMX/SSE we need the view to be consistent anyway so the
various copying routines already handle this internally. 

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