From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp101.biz.mail.re2.yahoo.com (smtp101.biz.mail.re2.yahoo.com [68.142.229.215]) by ozlabs.org (Postfix) with SMTP id B5C3C67A44 for ; Tue, 8 Nov 2005 11:38:02 +1100 (EST) In-Reply-To: <200511072250.03217.pantelis.antoniou@gmail.com> References: <200510302203.25390.pantelis.antoniou@gmail.com> <20051107084431.GA15180@logos.cnet> <1131396000.4652.24.camel@gaston> <200511072250.03217.pantelis.antoniou@gmail.com> Mime-Version: 1.0 (Apple Message framework v623) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: From: Dan Malek Date: Mon, 7 Nov 2005 19:44:14 -0500 To: pantelis.antoniou@gmail.com Cc: linuxppc-embedded@ozlabs.org Subject: Re: [PATCH 2.6.14] mm: 8xx MM fix for List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Nov 7, 2005, at 3:50 PM, Pantelis Antoniou wrote: > Yep. That should be the target. Remember the poor 8xx is not exactly a > speed demon :). It really isn't a big speed difference. The context save/restore is minimal. The original thought was " ...well, I'm already here, I know we will take another exception, so may as well fake the error case and call do_page_fault." However, I really do like a minimal TLB miss case for valid PTEs, and push everything else to the heavyweight functions. Thanks. -- Dan