From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [Ksummit-discuss] [MAINTAINERS SUMMIT] & [TECH TOPIC] Improve regression tracking Date: Wed, 5 Jul 2017 20:17:05 +0200 Message-ID: References: <576cea07-770a-4864-c3f5-0832ff211e94@leemhuis.info> <20170703123025.7479702e@gandalf.local.home> <20170705084528.67499f8c@gandalf.local.home> <4080ecc7-1aa8-2940-f230-1b79d656cdb4@redhat.com> <20170705092757.63dc2328@gandalf.local.home> <20170705140607.GA30187@kroah.com> <20170705143341.oees22k2snhtmkxo@sirena.org.uk> <20170705103658.226099c6@gandalf.local.home> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: <20170705103658.226099c6-f9ZlEuEWxVcJvu8Pb33WZ0EMvNT87kid@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Steven Rostedt Cc: Mark Brown , "ksummit-discuss-cunTk1MwBs98uUxBSJOaYoYkZiVZrdSR2LY78lusg7I@public.gmane.org" , Carlos O'Donell , Shuah Khan , Thorsten Leemhuis , "open list:ABI/API" List-Id: linux-api@vger.kernel.org On Wed, Jul 5, 2017 at 4:36 PM, Steven Rostedt wrote: > On Wed, 5 Jul 2017 15:33:41 +0100 > Mark Brown wrote: >> On Wed, Jul 05, 2017 at 04:06:07PM +0200, Greg KH wrote: >> > I don't mean to poo-poo the idea, but please realize that around 75% of >> > the kernel is hardware/arch support, so that means that 75% of the >> > changes/fixes deal with hardware things (yes, change is in direct >> > correlation to size of the codebase in the tree, strange but true). >> >> Then add in all the fixes for concurrency/locking issues and so on >> that're hard to reliably reproduce as well... > > All tests should be run with lockdep enabled ;-) Which a surprising > few developers appear to do :-p We're slowly working towards running the i915 testsuite with kasan enabled as the next level of evil. It's ... interesting, to say the least. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch