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=-4.1 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 5BDFCC433E8 for ; Wed, 22 Jul 2020 23:25:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 36FF3206E3 for ; Wed, 22 Jul 2020 23:25:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595460333; bh=hYqsyhLKTw7SYDQuBg9iw65OEkIN6QuUV9+qjRkDs2Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=sV0SxFudKyF1nQguxGsHPI/7m8B74S3oUSmxD6yaEGvZ6+Irv5QAmmCosuIOeQ6Rm ronhu5fjUkJrmDSkvIVfiTcGJ6qXpvgdYQtEKFlUe2azN3EFJsq4exoNXWyQ44o9Gl X8e64pv7k/Rf+qeZWpF8guvBLh00wP/35idz5n+0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733117AbgGVXZc (ORCPT ); Wed, 22 Jul 2020 19:25:32 -0400 Received: from mail-ua1-f65.google.com ([209.85.222.65]:41801 "EHLO mail-ua1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726525AbgGVXZb (ORCPT ); Wed, 22 Jul 2020 19:25:31 -0400 Received: by mail-ua1-f65.google.com with SMTP id u6so1213802uau.8 for ; Wed, 22 Jul 2020 16:25:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=u16+n9WUBgulDsvWWrvJlcH01cdO9g6pus/V2E/LhAg=; b=fq6lOH97yCzuzTsaYXarxZcnj5SElSaF1BkOcjcMbU24dYM5fSrEdHhIKagBOMjn/u G/VYGn4tG5nW9Bfsd0+0Hh1julm1ZtKwd4Zqtvl66JJXNyZBm1j4J/KVLJFAlr6u7AzZ 5nd+zvfjps5/VlLHTuN0jmHTT3zSnDRguXMfqR1jCf25SSwAfXuQ+nf7ooEgtItSDjn1 g4M10hmYlMLyJQ62FVs2j4/Ev2CLvR3kEnSnQ7gz2v0rKE2/yMnI3M4IZPIxK8Ix2l36 ziUfQlFNaMgtDYlJ4i5Nsx91qXOwYCZ9HSHLm7XdMv6Xufbd+lGXVPCtPFLzaTEhVqqq 78+g== X-Gm-Message-State: AOAM53056FiWb1ur8mY4gZmVGUX1/HCQUMZ+wTJPq1SkVqOx0j6uC800 kSldDdZOmnB0WXxH9AMpPNg= X-Google-Smtp-Source: ABdhPJx3mn6PghznvnUicOsiOgC9gFhfrzrSafwZ5co810gAMiLWKEnqgtngZefxJUyHNt9CpQqGuA== X-Received: by 2002:ab0:7551:: with SMTP id k17mr2018238uaq.102.1595460330003; Wed, 22 Jul 2020 16:25:30 -0700 (PDT) Received: from google.com (239.145.196.35.bc.googleusercontent.com. [35.196.145.239]) by smtp.gmail.com with ESMTPSA id n2sm164181vsa.11.2020.07.22.16.25.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jul 2020 16:25:28 -0700 (PDT) Date: Wed, 22 Jul 2020 23:25:27 +0000 From: Dennis Zhou To: Thomas Gleixner Cc: Dennis Zhou , Nick Desaulniers , Ingo Molnar , Borislav Petkov , Tejun Heo , Christoph Lameter , x86@kernel.org, "H. Peter Anvin" , Al Viro , Andrew Morton , Peter Zijlstra , linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com Subject: Re: [PATCH v3 00/11] i386 Clang support Message-ID: <20200722232527.GA1156429@google.com> References: <20200720204925.3654302-1-ndesaulniers@google.com> <20200721222754.GA820494@google.com> <87blk7ywp1.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87blk7ywp1.fsf@nanos.tec.linutronix.de> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 23, 2020 at 01:08:42AM +0200, Thomas Gleixner wrote: > Dennis Zhou writes: > > On Mon, Jul 20, 2020 at 01:49:14PM -0700, Nick Desaulniers wrote: > >> Resend of Brian's v2 with Acks from Peter and Linus collected, as well > >> as the final patch (mine) added. The commit of the final patch discusses > >> some of the architectural differences between GCC and Clang, and the > >> kernels tickling of this difference for i386, which necessitated these > >> patches. > >> > >> Brian Gerst (10): > >> x86/percpu: Introduce size abstraction macros > >> x86/percpu: Clean up percpu_to_op() > >> x86/percpu: Clean up percpu_from_op() > >> x86/percpu: Clean up percpu_add_op() > >> x86/percpu: Remove "e" constraint from XADD > >> x86/percpu: Clean up percpu_add_return_op() > >> x86/percpu: Clean up percpu_xchg_op() > >> x86/percpu: Clean up percpu_cmpxchg_op() > >> x86/percpu: Clean up percpu_stable_op() > >> x86/percpu: Remove unused PER_CPU() macro > >> > >> Nick Desaulniers (1): > >> x86: support i386 with Clang > >> > >> arch/x86/include/asm/percpu.h | 510 +++++++++++---------------------- > >> arch/x86/include/asm/uaccess.h | 4 +- > >> 2 files changed, 175 insertions(+), 339 deletions(-) > >> > >> -- > >> 2.28.0.rc0.105.gf9edc3c819-goog > >> > > > > This looks great to me! I applied it to for-5.9. > > You applied it? I'm not aware that you're maintaining x86 nowadays. > > Thanks, > > tglx I'm sorry I overstepped. I've dropped them. Please take them with my ack. Thanks, Dennis