From mboxrd@z Thu Jan 1 00:00:00 1970 From: Prarit Bhargava Subject: Re: [PATCH 2.6.12.1 5/12] S2io: Performance improvements Date: Wed, 03 Aug 2005 08:48:30 -0400 Message-ID: <42F0BD1E.7070006@sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: "'Christoph Hellwig'" , "'David S. Miller'" , raghavendra.koushik@neterion.com, jgarzik@pobox.com, netdev@oss.sgi.com, leonid.grossman@neterion.com, rapuru.sriram@neterion.com Return-path: To: ravinandan.arakali@neterion.com Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org > On Tue, Aug 02, 2005 at 04:13:57PM -0700, Ravinandan Arakali wrote: >> Hi Christoph, >> Following is SGI's stand on this issue: >> >> SGI recommends that customers use the -sn2 kernel. This is the kernel >> that is installed by our factory when we ship systems. The -sn2 >> kernel is also the kernel that must be run if the Altix has more that >> 128 CPUs. So I'd be surprised it the majority of the Altix systems in >> the field are not running the -sn2 kernel. > > The my argument is wrong for SuSE ;-) This still needs to be a runtime > switch though, not just for this reason. Platform ifdefs are not the > way to go. Hi Ravinandan, Ditto for SGI Altix on Red Hat -- platform specific ifdefs are not the proper way to do this. P.