Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265396AbUFSKOj (ORCPT ); Sat, 19 Jun 2004 06:14:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265470AbUFSKOj (ORCPT ); Sat, 19 Jun 2004 06:14:39 -0400 Received: from holomorphy.com ([207.189.100.168]:3981 "EHLO holomorphy.com") by vger.kernel.org with ESMTP id S265396AbUFSKOi (ORCPT ); Sat, 19 Jun 2004 06:14:38 -0400 Date: Sat, 19 Jun 2004 03:14:27 -0700 From: William Lee Irwin III To: Andrew Morton Cc: kaos@sgi.com, linux-kernel@vger.kernel.org Subject: Re: [patch 2.6.7] bug_smp_call_function Message-ID: <20040619101427.GR1863@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Andrew Morton , kaos@sgi.com, linux-kernel@vger.kernel.org References: <5328.1087637808@kao2.melbourne.sgi.com> <20040619024416.065f4026.akpm@osdl.org> <20040619095910.GQ1863@holomorphy.com> <20040619030834.3582d2bd.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040619030834.3582d2bd.akpm@osdl.org> User-Agent: Mutt/1.5.5.1+cvs20040105i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 725 Lines: 19 William Lee Irwin III wrote: >> Calls to smp_call_function() with interrupts off or spinlocks held >> typically causes deadlocks on SMP systems. On Sat, Jun 19, 2004 at 03:08:34AM -0700, Andrew Morton wrote: > No, this doesn't "typically" deadlock. It will deadlock on every ten > millionth call. The preceding 9,999,999 warnings should have imparted > sufficient clue? I wasn't counting function calls. I suppose it won't deadlock on every call. -- wli - 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/