From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757412AbYE0SRe (ORCPT ); Tue, 27 May 2008 14:17:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757755AbYE0SRP (ORCPT ); Tue, 27 May 2008 14:17:15 -0400 Received: from mx1.redhat.com ([66.187.233.31]:58438 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757522AbYE0SRO (ORCPT ); Tue, 27 May 2008 14:17:14 -0400 Date: Tue, 27 May 2008 14:14:47 -0400 From: Alan Cox To: Mauro Carvalho Chehab Cc: Jonathan Corbet , Alan Cox , video4linux-list@redhat.com, linux-kernel@vger.kernel.org, Alan Cox Subject: Re: [PATCH] video4linux: Push down the BKL Message-ID: <20080527181447.GB17790@devserv.devel.redhat.com> References: <20080522223700.2f103a14@core> <20080526135951.7989516d@gaivota> <20080526202317.GA12793@devserv.devel.redhat.com> <20080526181027.1ff9c758@gaivota> <20080526220154.GA15487@devserv.devel.redhat.com> <20080527101039.1c0a3804@gaivota> <20080527094144.1189826a@bike.lwn.net> <20080527133100.6a9302fb@gaivota> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080527133100.6a9302fb@gaivota> User-Agent: Mutt/1.4.1i Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 27, 2008 at 01:31:00PM -0300, Mauro Carvalho Chehab wrote: > It is safer to have a tool to test and stress the driver before going to > production. Stress testing is rarely useful here - things like ioctl races you find by thinking evil thoughts. Stress tests that fail obviously help find some stuff but its error cases and hotplug corner cases that are usually the most foul