linux-kernel - Re: [patch 1/5] Use EXTRARW

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Message-ID: <20070615215534.GB11267@uranus.ravnborg.org>
Date:	Fri, 15 Jun 2007 23:55:34 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org
Subject: Re: [patch 1/5] Use EXTRARW_DATA in architectures

Hi Mathieu.

On Fri, Jun 15, 2007 at 04:30:00PM -0400, Mathieu Desnoyers wrote:
> EXTRARW_DATA adds a place to declare rw data that will not be mixed with the
> .data content; therefore limiting data cache pollution when data is put in
> the EXTRARW_DATA sections.

I would suggest to embed this inside DATA_DATA in vmlinux.lds.h
That seems reasonsable to do instead of adding it right after DATA_DATA
for all archs.

>From your patch it looks like I originally missed out
powerpc + xtensa when introducing DATA_DATA - would be nice if
you could fix that.

	Sam
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