From mboxrd@z Thu Jan 1 00:00:00 1970 From: Randy Dunlap Subject: Re: on builds/randconfigs Date: Wed, 12 Jan 2011 14:54:53 -0800 Message-ID: <4D2E313D.3040209@oracle.com> References: <20101213163607.0b0a7c3a.sfr@canb.auug.org.au> <20110112131800.d64c1a86.akpm@linux-foundation.org> <201101122224.54330.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from rcsinet10.oracle.com ([148.87.113.121]:45334 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751484Ab1ALW5P (ORCPT ); Wed, 12 Jan 2011 17:57:15 -0500 In-Reply-To: Sender: linux-next-owner@vger.kernel.org List-ID: To: Len Brown Cc: "Rafael J. Wysocki" , Andrew Morton , linux-acpi@vger.kernel.org, Stephen Rothwell , Zhang Rui , linux-next@vger.kernel.org, LKML , Zimny Lech On 01/12/11 13:58, Len Brown wrote: >>> These unusable config combinations should be prevented via Kconfig. >>> That prevents users from selecting them, which otherwise adds to >>> our workload and to theirs. It also prevents false-positives >>> during our useful randconfig testing. >> >> But it is kind of difficult to achieve IMhO. For example, there are options >> that are only SELECTed if something else is set, but randconfig doesn't seem >> to care. s/randconfig/kconfig/ > Kconfig select needs to be fixed so that it is not possible to > select something if that something's dependencies are not met. > > This long standing issue is independent of randconfig, > but Randy can probably attest that a measurable portion > of the randconfig failures are due to this bug. Certainly. At least now we have a kconfig warning on this class of problem. -- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code ***