From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Date: Wed, 19 Jan 2011 22:23:48 +0000 Subject: Re: Bug#609371: linux-image-2.6.37-trunk-sparc64: module scsi_mod: Message-Id: <20110119.142348.186319799.davem@davemloft.net> List-Id: References: <20110119.134047.232915743.davem@davemloft.net> <1295474423.12215.1612.camel@gandalf.stny.rr.com> <20110119222144.GC23544@Krystal> In-Reply-To: <20110119222144.GC23544@Krystal> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: mathieu.desnoyers@efficios.com Cc: rostedt@goodmis.org, richm@oldelvet.org.uk, 609371@bugs.debian.org, ben@decadent.org.uk, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, fweisbec@gmail.com, mingo@redhat.com From: Mathieu Desnoyers Date: Wed, 19 Jan 2011 17:21:44 -0500 > I still wonder how a 32-bit system can generate an unaligned access trap for an > access to a 64-bit variable aligned on 32-bit, given that there is, by > definition, no 64-bit memory accesses available on the architecture ? Sparc 32-bit (and I believe MIPS 32-bit as well) have such 64-bit load and store instructions. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754948Ab1ASWXR (ORCPT ); Wed, 19 Jan 2011 17:23:17 -0500 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:46276 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754870Ab1ASWXP (ORCPT ); Wed, 19 Jan 2011 17:23:15 -0500 Date: Wed, 19 Jan 2011 14:23:48 -0800 (PST) Message-Id: <20110119.142348.186319799.davem@davemloft.net> To: mathieu.desnoyers@efficios.com Cc: rostedt@goodmis.org, richm@oldelvet.org.uk, 609371@bugs.debian.org, ben@decadent.org.uk, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, fweisbec@gmail.com, mingo@redhat.com Subject: Re: Bug#609371: linux-image-2.6.37-trunk-sparc64: module scsi_mod: Unknown relocation: 36 From: David Miller In-Reply-To: <20110119222144.GC23544@Krystal> References: <20110119.134047.232915743.davem@davemloft.net> <1295474423.12215.1612.camel@gandalf.stny.rr.com> <20110119222144.GC23544@Krystal> X-Mailer: Mew version 6.3 on Emacs 23.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Mathieu Desnoyers Date: Wed, 19 Jan 2011 17:21:44 -0500 > I still wonder how a 32-bit system can generate an unaligned access trap for an > access to a 64-bit variable aligned on 32-bit, given that there is, by > definition, no 64-bit memory accesses available on the architecture ? Sparc 32-bit (and I believe MIPS 32-bit as well) have such 64-bit load and store instructions.