From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 8ED40DDE40 for ; Sat, 5 May 2007 08:26:03 +1000 (EST) Subject: Re: [PATCH] Remove CPU_FTR_NEED_COHERENT for 7448. From: Benjamin Herrenschmidt To: Jon Loeliger In-Reply-To: References: <1178141683.32136.46.camel@ld0161-tx32> <1178187440.20944.12.camel@localhost.localdomain> <1178208838.17201.52.camel@ld0161-tx32> <1178228208.6353.55.camel@localhost.localdomain> Content-Type: text/plain Date: Sat, 05 May 2007 08:25:26 +1000 Message-Id: <1178317526.6353.106.camel@localhost.localdomain> Mime-Version: 1.0 Cc: "linuxppc-dev@ozlabs.org" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, 2007-05-04 at 10:16 -0500, Jon Loeliger wrote: > So, like, the other day Benjamin Herrenschmidt mumbled: > > > > I still maintain it should be a runtime thing tho :-) > > > > Ben. > > So, could you comment on my proposed solution doing > things exactly this way? Speifically, would folks > prefer the dynamic > > number_of_cpus() == 1 Sorry I don't remember the actual patch, must have missed it... I suppose we could have generic code in early_init_devtree set the default for this based on cpu_possible_map() containing more than one bit and have platforms using one of those broken bridges force the bit in from their probe routine. Ben.