Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755214AbbFLH0B (ORCPT ); Fri, 12 Jun 2015 03:26:01 -0400 Received: from mail-oi0-f42.google.com ([209.85.218.42]:33368 "EHLO mail-oi0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754429AbbFLHZy (ORCPT ); Fri, 12 Jun 2015 03:25:54 -0400 MIME-Version: 1.0 In-Reply-To: <5579B9E8.9040609@ahsoftware.de> References: <1432565608-26036-1-git-send-email-tomeu.vizoso@collabora.com> <5577F533.1060007@ahsoftware.de> <5579602F.1070801@ahsoftware.de> <5579B9E8.9040609@ahsoftware.de> Date: Fri, 12 Jun 2015 09:25:53 +0200 Message-ID: Subject: Re: [PATCH 00/21] On-demand device registration From: Linus Walleij To: Alexander Holler Cc: Tomeu Vizoso , Grant Likely , Mark Rutland , "devicetree@vger.kernel.org" , "linux-fbdev@vger.kernel.org" , linux-samsung-soc , "linux-tegra@vger.kernel.org" , "linux-gpio@vger.kernel.org" , "linux-pm@vger.kernel.org" , Dmitry Torokhov , "linux-kernel@vger.kernel.org" , Rob Herring , "linux-pwm@vger.kernel.org" , "list@wandq.ahsoftware:DRM PANEL DRIVERS" , dmaengine@vger.kernel.org, Dan Williams , "linux-usb@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 878 Lines: 21 On Thu, Jun 11, 2015 at 6:40 PM, Alexander Holler wrote: > Am 11.06.2015 um 14:30 schrieb Linus Walleij: >> Certainly it is possible to create deadlocks in this scenario, but the >> scope is not to create an ubreakable system. > > IAnd what happens if you run into a deadlock? Do you print "you've lost, try > changing your kernel config" in some output hidden by a splash-screen? ;) Sorry it sounds like a blanket argument, the fact that there are mutexes in the kernel makes it possible to deadlock, it doesn't mean we don't use mutexes. Some programming problems are just like such. Yours, Linus Walleij -- 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/