From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 3E8B0C07 for ; Wed, 5 Jul 2017 14:37:01 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id E1B543CA for ; Wed, 5 Jul 2017 14:37:00 +0000 (UTC) Date: Wed, 5 Jul 2017 10:36:58 -0400 From: Steven Rostedt To: Mark Brown Message-ID: <20170705103658.226099c6@gandalf.local.home> In-Reply-To: <20170705143341.oees22k2snhtmkxo@sirena.org.uk> 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> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: ksummit-discuss@lists.linuxfoundation.org, Carlos O'Donell , Shuah Khan , Thorsten Leemhuis , linux-api@vger.kernel.org Subject: Re: [Ksummit-discuss] [MAINTAINERS SUMMIT] & [TECH TOPIC] Improve regression tracking List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 -- Steve From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Rostedt Subject: Re: [Ksummit-discuss] [MAINTAINERS SUMMIT] & [TECH TOPIC] Improve regression tracking Date: Wed, 5 Jul 2017 10:36:58 -0400 Message-ID: <20170705103658.226099c6@gandalf.local.home> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20170705143341.oees22k2snhtmkxo-GFdadSzt00ze9xe1eoZjHA@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mark Brown Cc: Greg KH , Carlos O'Donell , linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Thorsten Leemhuis , ksummit-discuss-cunTk1MwBs98uUxBSJOaYoYkZiVZrdSR2LY78lusg7I@public.gmane.org, Shuah Khan List-Id: linux-api@vger.kernel.org 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 -- Steve