From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D079C47082 for ; Tue, 8 Jun 2021 17:07:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E44F56128E for ; Tue, 8 Jun 2021 17:07:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233763AbhFHRJe (ORCPT ); Tue, 8 Jun 2021 13:09:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:48188 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232541AbhFHRJc (ORCPT ); Tue, 8 Jun 2021 13:09:32 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9296261351; Tue, 8 Jun 2021 17:07:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623172059; bh=OwOQSgYET3vjOuH9i278qqL8LTQ8bZ1JIMmEUmSlAy0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=QG1vP4uu/Zs9B/ezhUOBigwLYXsP5TWzW0UPde5P/mtuDX1qA3agMDrd4VeIjL9JV CddpnMD3UuMqCcMkCLKqKIQvNfRaewF3EpgSBr6p/i3vRJRqT/yVBZYlaNke5AI6lN k4o30ntILUc688NMqpNwq/KGWSh5iN1H8ImbARL0anl31Xj6FoUIqIp7M7x0zuLs2d wFQbFXlSoS7+hhbEive2o/r9/d+iPO5rWtmXpUq8X84Yr+bLtZgAWRM7UPOKlHeueX 155SQpibckwpzVtrTqlcCxZPwA9Bf3NM57CTmZ6OfxurSh099ZuPANalK0nK9iEBlD 6fbBcwFx0KT+A== Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id B17E340B1A; Tue, 8 Jun 2021 14:07:36 -0300 (-03) Date: Tue, 8 Jun 2021 14:07:36 -0300 From: Arnaldo Carvalho de Melo To: Borislav Petkov Cc: Borislav Petkov , kernel test robot , Andrew Cooper , kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, x86@kernel.org, Peter Zijlstra Subject: Re: [tip:x86/cpu 4/4] Warning: Kernel ABI header at 'tools/arch/x86/include/asm/cpufeatures.h' differs from latest version at 'arch/x86/include/asm/cpufeatures.h': 111< /* free ( 3*32+29) */ Message-ID: References: <20210602094153.GH1271937@shao2-debian> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Url: http://acmel.wordpress.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Thu, Jun 03, 2021 at 11:25:05PM +0200, Borislav Petkov escreveu: > On Wed, Jun 02, 2021 at 12:35:44PM -0300, Arnaldo Carvalho de Melo wrote: > > ... > > will build in older systems where things added to the updated copy of > > the kernel headers isn't present, so trying to update the file and then > > rebuild perf, only warning me if it doesn't build would give me an early > > warning about things that are breaking and that I should look sooner > > rather than later. > > > > Doing just the diff is not that useful :-) > > Lemme see if I understand this correctly: you'd like for the 0day folks > to take those perf-*src-pkg builds, put them on an *old* distro and see > if it builds. Am I close? Apply the patch, try to build it, it doesn't matter where you build it, only that after applying the patch I want to know if it doersn't build, so that I can look at it earlier than when it gets to my attention by merging upstream, etc. > And do that with the headers in tools/ which do not have the new changes > and see if they still build? > > Or? > > Alternatively, we can always go back to keeping the headers in sync with > those in tools/ and f'get about it. We're doing it already, Peter wants to help me with it, and I think this has value. - Arnaldo > Thoughts? > > Thx. > > -- > Regards/Gruss, > Boris. > > https://people.kernel.org/tglx/notes-about-netiquette -- - Arnaldo