To: | Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de> |
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Subject: | Re: [update] [patch] linux: Cache coherency fixes |
From: | Ralf Baechle <ralf@oss.sgi.com> |
Date: | Fri, 2 Aug 2002 12:16:00 +0200 |
Cc: | "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>, linux-mips@fnet.fr, linux-mips@oss.sgi.com |
In-reply-to: | <20020801170649.GB15334@rembrandt.csv.ica.uni-stuttgart.de>; from ica2_ts@csv.ica.uni-stuttgart.de on Thu, Aug 01, 2002 at 07:06:49PM +0200 |
References: | <20020801152500.A31808@dea.linux-mips.net> <Pine.GSO.3.96.1020801173504.8256H-100000@delta.ds2.pg.gda.pl> <20020801184929.B22824@dea.linux-mips.net> <20020801170649.GB15334@rembrandt.csv.ica.uni-stuttgart.de> |
User-agent: | Mutt/1.2.5.1i |
On Thu, Aug 01, 2002 at 07:06:49PM +0200, Thiemo Seufer wrote: > [snip] > > Back in time I prefered CONFIG_NONCOHERENT_IO over CONFIG_COHERENT_IO > > because the noncoherent case needs additional code and in general I'm > > trying to reduce the number of the #if !defined conditionals for easier > > readability. > > > > The R10000 is our standard example why looking at the processor type doesn't > > work. It's used in coherent mode in IP27 but in coherent mode but in > > coherent mode in IP28 or IP32. Otoh I don't know of any system that > > JFTR: non-coherent mode in IP28 or IP32. Yep, you're right. I hope everybody concluded that from my non-coherent sentence ;-) |
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