From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from 1wt.eu (1wt.eu [62.212.114.60]) by ozlabs.org (Postfix) with ESMTP id D2C1DB6EE9 for ; Tue, 11 Jan 2011 17:22:30 +1100 (EST) Date: Tue, 11 Jan 2011 07:09:26 +0100 From: Willy Tarreau To: Joakim Tjernlund Subject: Re: [PATCH 00/13] powerpc: Backport 8xx TLB to 2.4 Message-ID: <20110111060926.GE16301@1wt.eu> References: <1294695479-344-1-git-send-email-Joakim.Tjernlund@transmode.se> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1294695479-344-1-git-send-email-Joakim.Tjernlund@transmode.se> Cc: Scott Wood , linuxppc-dev List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi Joakim, On Mon, Jan 10, 2011 at 10:37:46PM +0100, Joakim Tjernlund wrote: > This is a backport from 2.6 which I did to overcome 8xx CPU > bugs. 8xx does not update the DAR register when taking a TLB > error caused by dcbX and icbi insns which makes it very > tricky to use these insns. Also the dcbst wrongly sets the > the store bit when faulting into DTLB error. > A few more bugs very found during development. > > I know 2.4 is in strict maintenance mode and 8xx is obsolete > but as it is still in use I wanted 8xx to age with grace. Thank you very much for taking care of this, that's very much appreciated. I'll look at this ASAP. Just a quick question in order to be certain, did you have the opportunity to test all of these changes on real hardware ? Thanks, Willy