Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264488AbUASJwi (ORCPT ); Mon, 19 Jan 2004 04:52:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264493AbUASJwi (ORCPT ); Mon, 19 Jan 2004 04:52:38 -0500 Received: from gprs214-240.eurotel.cz ([160.218.214.240]:6016 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S264488AbUASJwg (ORCPT ); Mon, 19 Jan 2004 04:52:36 -0500 Date: Mon, 19 Jan 2004 10:51:29 +0100 From: Pavel Machek To: Nigel Cunningham Cc: Linux Kernel Mailing List Subject: Re: Is this too ugly to merge? Message-ID: <20040119095129.GB219@elf.ucw.cz> References: <1073609923.2003.10.camel@laptop-linux> <20040113114913.GB269@elf.ucw.cz> <1074473094.2361.104.camel@laptop-linux> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1074473094.2361.104.camel@laptop-linux> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1033 Lines: 23 Hi! > I'll take the following approach: I'm pretty sure that I've tried > suspending userspace before kernel threads before, and still ran into > possible deadlocks. Nevertheless, I'll set that up and then bang really > hard on it using Michael's test scripts, and let you know the results. > If and when we see that this approach won't cut the mustard, we can come > back to considering this approach. Sound okay? Well, I'd say "if this approach won't cut the mustard, and we understand *why* it does not work". If we can find a way to deadlock plain SIGSTOP, that's good, too, because someone will likely fix it. (And if SIGSTOP is broken, intrusive patch is okay for fixing that). Pavel -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?] - 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/