| To: | Ralf Baechle <ralf@oss.sgi.com> |
|---|---|
| Subject: | Re: [update] [patch] linux: Cache coherency fixes |
| From: | Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de> |
| Date: | Thu, 1 Aug 2002 19:06:49 +0200 |
| Cc: | "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>, linux-mips@fnet.fr, linux-mips@oss.sgi.com |
| In-reply-to: | <20020801184929.B22824@dea.linux-mips.net> |
| 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> |
| Sender: | owner-linux-mips@oss.sgi.com |
| User-agent: | Mutt/1.4i |
Ralf Baechle 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. Thiemo |
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