Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753885AbaBQRyM (ORCPT ); Mon, 17 Feb 2014 12:54:12 -0500 Received: from zeniv.linux.org.uk ([195.92.253.2]:58811 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752139AbaBQRyL (ORCPT ); Mon, 17 Feb 2014 12:54:11 -0500 Date: Mon, 17 Feb 2014 17:54:07 +0000 From: Al Viro To: Oleg Nesterov Cc: Linus Torvalds , Dave Chinner , Dave Jones , Eric Sandeen , Linux Kernel , xfs@oss.sgi.com Subject: Re: 3.14-rc2 XFS backtrace because irqs_disabled. Message-ID: <20140217175407.GE18016@ZenIV.linux.org.uk> References: <20140215142700.GA15540@redhat.com> <20140215152251.GY18016@ZenIV.linux.org.uk> <20140215153631.GZ18016@ZenIV.linux.org.uk> <20140215155838.GA18016@ZenIV.linux.org.uk> <20140215174345.GA24799@redhat.com> <20140215180520.GC18016@ZenIV.linux.org.uk> <20140215184531.GA27314@redhat.com> <20140217165735.GA29173@redhat.com> <20140217174059.GD18016@ZenIV.linux.org.uk> <20140217174648.GA6176@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140217174648.GA6176@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 17, 2014 at 06:46:48PM +0100, Oleg Nesterov wrote: > > pulling the logics *out* of kernel/signal.c and into arch/*. > > Not really, I think. How so? You propose to make all architectures call do_coredump() themselves, instead of having it done centrally. It's more boilerplate for all of them to get wrong. And IME any boilerplate in that are *will* be gotten wrong - I've gone through signal handling on all architectures more than a few times and every time it caught a pile of bugs... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/