Received: by 10.192.165.148 with SMTP id m20csp932imm; Wed, 9 May 2018 07:55:34 -0700 (PDT) X-Google-Smtp-Source: AB8JxZoqrtREnSLd79D+f6EYDKT/ayUeTQbVq1puXYwjooMp55MgisOTphXsXM0nMuuL4qZCIM1W X-Received: by 2002:a65:4204:: with SMTP id c4-v6mr5811413pgq.26.1525877734211; Wed, 09 May 2018 07:55:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525877734; cv=none; d=google.com; s=arc-20160816; b=M+M0MgXmeP9Gr5cmAz9yZDORCeGKDnTU5uXIMgYpqX2HPX2ysyyrC4Vuy8aBhzNh/R i5rC234jQ8WVnDmMMe+wxAqTXqY88bdrOA9BrarTrbUz6qJRTUcwNhALkrzLCQyrr0Lh NgvERkfvihXA9ArYbVkmj80CkUR6U9gtyU4vn11t0QImW4216W1zc58fKYBoCfGe/HFa IugraAQbbP3+iUoPz8LGnsJE5+ZcHK7QKZ6Sjz6VQmSQhRXft2upaAwx/I7s+hBtop8R i6/z8BnCeJREUhs5eOplo4AsLXU8+itiXfy1UgZdi7xdfB5nTETphNQf0xmysDDb/0/o A8Zw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=MWswvjhbc3rYTF4DqLUkfCoDH7+taudVewMy7xn1s5U=; b=h6NfbKxeIiebEYmFxFGweV66YJgFSTACwCvw4Mf3ivE7gZEjXn0cRSaxVlQqG8J0fL jaIRyEfuIuM4+PDqoicquHaeNj1Thu0L25sHi8norenmRFgpAkCUKKf4l3Ib1eUuHvCw AxHhdPbEryX0GCFHP9Q4KWFkABTQq/K7R6hWqvcZqdN+SLdpEzsDu2liYmaA/H5T5v9R R7Zg+y1ipWDrG1Wi+/sZ2A72b/QvzGjyXyuyKwSZS7nne/jIXbJhW9Ccou7bk3+z1JPP xwfC8TPsD2eK37ZfvijfLsvbjAyoY1nNUBtu5OBAiuSo2Ul74/VK84lu7Zp3zad4mnyp J52Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j84si26884021pfk.203.2018.05.09.07.55.19; Wed, 09 May 2018 07:55:34 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935278AbeEIOy7 (ORCPT + 99 others); Wed, 9 May 2018 10:54:59 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:40628 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S934331AbeEIOy5 (ORCPT ); Wed, 9 May 2018 10:54:57 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id F115740200A0; Wed, 9 May 2018 14:54:56 +0000 (UTC) Received: from treble (ovpn-124-150.rdu2.redhat.com [10.10.124.150]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 726D22022DE2; Wed, 9 May 2018 14:54:55 +0000 (UTC) Date: Wed, 9 May 2018 09:54:54 -0500 From: Josh Poimboeuf To: David Laight Cc: 'damian' , "peterz@infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: Kernel build with gcc 8 a lot of warnings Message-ID: <20180509145454.tppr2l436o5icgwe@treble> References: <20180505192112.GA18728@zrhn9910b> <36baff2c776a4c3799f40a9033fc90fc@AcuMS.aculab.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <36baff2c776a4c3799f40a9033fc90fc@AcuMS.aculab.com> User-Agent: NeoMutt/20180323 X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Wed, 09 May 2018 14:54:57 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Wed, 09 May 2018 14:54:57 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'jpoimboe@redhat.com' RCPT:'' Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 09, 2018 at 02:27:48PM +0000, David Laight wrote: > From: damian > > Sent: 05 May 2018 20:21 > > is something special to note when kernel build with gcc 8? I receive various warnings from the > > objtool: > > Someone ought to persuade the gcc folks to try compiling the Linux kernel > before releasing a new compiler :-) That would have been good. Though, I also deserve blame as Arnd warned me about this several months ago before the spec-pocalypse diverted my attention. -- Josh