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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,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 285A7C433E0 for ; Wed, 8 Jul 2020 16:16:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE4F220786 for ; Wed, 8 Jul 2020 16:16:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Z4AU5VEr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730531AbgGHQQR (ORCPT ); Wed, 8 Jul 2020 12:16:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730141AbgGHQQR (ORCPT ); Wed, 8 Jul 2020 12:16:17 -0400 Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30807C061A0B for ; Wed, 8 Jul 2020 09:16:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=egaKUCkqm/F8Lgo+G+BbyrSEcoTM/F4vaLTAZkfOYLI=; b=Z4AU5VErCCxwC9Veqb25AFvDkM /0L54C/QHYwu9Q6rzceSamw1O+pAgfVCFUShkR4eCIEITaWktFY7zY1xRKANlPSChTSWhyKgJtX0E 0ktNksfjJk8o/J8ePcA330r41mnqI8yjrATlUAay61b3IZp9kn6MyIKU6jNS775no69yJxHcRVZBd VDPbnOuBRQVReQWoW2xJl+HZFnIlipoa2JDPWHl0scWEKqDiWpB1ZveEwox7SCNSrXsvatwRhZ159 QJ0tigVE0x4ytWorRDWklz79lHnhZ9YMM4bY5Tg0zBkg5RA9nvOxF4ljux+88i0sizyx8IIl6OVmh YXbfp3EQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jtCk0-0000KU-9v; Wed, 08 Jul 2020 16:16:12 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 627493006D0; Wed, 8 Jul 2020 18:16:09 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id E68BF214ECDAA; Wed, 8 Jul 2020 18:16:08 +0200 (CEST) Date: Wed, 8 Jul 2020 18:16:08 +0200 From: Peter Zijlstra To: "Ahmed S. Darwish" Cc: Ingo Molnar , Will Deacon , Thomas Gleixner , "Paul E. McKenney" , "Sebastian A. Siewior" , Steven Rostedt , LKML Subject: Re: [PATCH v3 06/20] seqlock: Extend seqcount API with associated locks Message-ID: <20200708161608.GS4800@hirez.programming.kicks-ass.net> References: <20200630054452.3675847-7-a.darwish@linutronix.de> <20200706212148.GE5523@worktop.programming.kicks-ass.net> <20200707084024.GA4097637@debian-buster-darwi.lab.linutronix.de> <20200707130410.GO4800@hirez.programming.kicks-ass.net> <20200707143726.GO117543@hirez.programming.kicks-ass.net> <20200708103314.GB4151780@debian-buster-darwi.lab.linutronix.de> <20200708122938.GQ4800@hirez.programming.kicks-ass.net> <20200708150930.GA147323@debian-buster-darwi.lab.linutronix.de> <20200708153522.GR4800@hirez.programming.kicks-ass.net> <20200708155813.GA147953@debian-buster-darwi.lab.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200708155813.GA147953@debian-buster-darwi.lab.linutronix.de> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 08, 2020 at 05:58:13PM +0200, Ahmed S. Darwish wrote: > On Wed, Jul 08, 2020 at 05:35:22PM +0200, Peter Zijlstra wrote: > ... > > > > And while the gcc-4.8 code is horrendous crap, the rest should be pretty > > straight forward and concentrates on the pieces where there are > > differences. > > > > Is there any possibility of upgrading the minimum gcc version to 4.9? Is > there any supported architecture that is still stuck on 4.8? Upgrading also got mention here: https://lkml.kernel.org/r/CAHk-=wgD+q+oDdtukYC74_cDX5i0Ynf0GLhuNe2Faaokejj6fQ@mail.gmail.com But it didn't get much response.