linux-kernel - Re: [PATCH] video4linux: Push down the BKL

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Message-ID: <20080527181447.GB17790@devserv.devel.redhat.com>
Date:	Tue, 27 May 2008 14:14:47 -0400
From:	Alan Cox <alan@...hat.com>
To:	Mauro Carvalho Chehab <mchehab@...radead.org>
Cc:	Jonathan Corbet <corbet@....net>, Alan Cox <alan@...hat.com>,
	video4linux-list@...hat.com, linux-kernel@...r.kernel.org,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [PATCH] video4linux: Push down the BKL

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
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