From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from rv-out-0506.google.com (rv-out-0506.google.com [209.85.198.233]) by ozlabs.org (Postfix) with ESMTP id 4F283DDE0F for ; Sun, 9 Nov 2008 09:13:54 +1100 (EST) Received: by rv-out-0506.google.com with SMTP id f6so1683156rvb.9 for ; Sat, 08 Nov 2008 14:13:53 -0800 (PST) Message-ID: <86802c440811081413v58ffb2fah90849e7aa26cc67f@mail.gmail.com> Date: Sat, 8 Nov 2008 14:13:53 -0800 From: "Yinghai Lu" Sender: yhlu.kernel@gmail.com To: "Andrew Morton" Subject: Re: [PATCH 1/1] irq: Maintain user set affinity In-Reply-To: <20081106133524.75588d96.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 References: <20081106133524.75588d96.akpm@linux-foundation.org> Cc: linuxppc-dev@ozlabs.org, tglx@linutronix.de, torvalds@linux-foundation.org, linux-kernel@vger.kernel.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, Nov 6, 2008 at 1:35 PM, Andrew Morton wrote: > On Tue, 4 Nov 2008 10:31:05 -0600 (CST) > Kumar Gala wrote: > >> >From 819ad3ed4660f4238e053728a8b5aa93d22b13d7 Mon Sep 17 00:00:00 2001 >> From: Kumar Gala >> Date: Tue, 4 Nov 2008 10:13:53 -0600 >> Subject: [PATCH 1/1] irq: Maintain user set affinity >> >> This addresses a regression in that if a user specified an affinity >> for an interrupt that affinity information would get reset between >> a request_irq(), free_irq() and request_irq() for the same irq. >> ... > > Are you able to identify when this regression occurred? It isn't > immediately obvious to me. > > If the regression is present in 2.6.27 or earlier, do you think we > should backport the fix? If so, a different patch would be needed due > to the presence of it seems that is not a regression... YH