Received: by 10.213.65.68 with SMTP id h4csp3734414imn; Tue, 10 Apr 2018 03:59:54 -0700 (PDT) X-Google-Smtp-Source: AIpwx48q4croe5LH0IX5rO9YZA4xH4TLaIve2f1pBrBFnqChVq199uUmlMddWGVpft8J9FegrB4/ X-Received: by 2002:a17:902:70c6:: with SMTP id l6-v6mr3772972plt.201.1523357994293; Tue, 10 Apr 2018 03:59:54 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1523357994; cv=none; d=google.com; s=arc-20160816; b=nQnxaIiozgch1x0cXgiJFfvmKtPJrVtdWb2GvZBN8upIKxdyTAoGJoBjyl1eWo7Z+y u6rQOklPnx4UN+EyMOfkPTDMjeAZDFtfiBRPFsKy60aJjuNarPZwkzxoqwDmoq7wmRIP 4PL5w00/UY2/Bkm32Cua1dMHQIk+lykmVy+MHHBWulWeeUD2p+DyvfoQTmuJDkzOg8GV 2Q8hgQxWHlqe2HfD/KPz5YYlHOQWs4otnkrkMxkwgXUtRGy2rIMcQ61T9uvaRVQ5SPbU YX8mLHYu1W1724PnNkjBTu7csmNRR5C6+HtNsXkY+TZL643rJgeaKJ1TvfZJFy12dPVF wj3g== 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=kueCCU4kfUZLhb5TwiE+OlntTifQh0rsNXVbp40V33o=; b=k2Hk/5uhWjzTp3FoeRG7r6fv80bb1kSKXFEMcJbAwIetVwxr3peNFhko5QqxD8jDLb GkusOOaaLVV5WOAEAlH0hzn+x+YP2vh8DQk4VwpUCjG5Q5T4wME3tHZxykL7t2BrUqAR 7RQM9vTbGUeLM/+GZTPfOyZthg1OsIUfu4wiOHa2lIVk2aBBmRbsPT6M5tmrTYrsaiQV Swn/3KIt3XyM/pHoh8EIJoaIyVouRsDb2rO9WJwO3T8p3gXplbc+qSQo8ylhlGldZX35 KTxcGyEMFRCroAuKlw84Vbg1NoIqvWctBIhBCGZNIljHZDlWJxf1ukMzlJruAkNW0/Cn lxxA== 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id m65si1973546pfb.130.2018.04.10.03.59.17; Tue, 10 Apr 2018 03:59:54 -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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752815AbeDJKzW (ORCPT + 99 others); Tue, 10 Apr 2018 06:55:22 -0400 Received: from foss.arm.com ([217.140.101.70]:36554 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751737AbeDJKzT (ORCPT ); Tue, 10 Apr 2018 06:55:19 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 265381435; Tue, 10 Apr 2018 03:55:19 -0700 (PDT) Received: from lakrids.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 3B7063F5D3; Tue, 10 Apr 2018 03:55:18 -0700 (PDT) Date: Tue, 10 Apr 2018 11:55:15 +0100 From: Mark Rutland To: Arnaldo Carvalho de Melo Cc: linux-kernel@vger.kernel.org, lizhijian@cn.fujitsu.com, sandipan@linux.vnet.ibm.com Subject: Re: [PATCH] tools: restore READ_ONCE() C++ compatibility Message-ID: <20180410105515.oma5rzzh5y3ghhkx@lakrids.cambridge.arm.com> References: <20180404163445.16492-1-mark.rutland@arm.com> <20180409171041.6qfabrccsqu4bdlc@lakrids.cambridge.arm.com> <20180409194032.GA7184@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180409194032.GA7184@redhat.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 09, 2018 at 04:40:32PM -0300, Arnaldo Carvalho de Melo wrote: > Em Mon, Apr 09, 2018 at 06:10:41PM +0100, Mark Rutland escreveu: > > Hi Arnaldo, > > > > As Sandipan gave a Tested-by for this, are you happy to pick it up as a > > fix for v4.17? > > > > Or would you prefer that I resend this? > > I forgot about this fix, but was exposed to it while processing > Sandipan's patches for fixing up builtin clang support, so I ended up > adding the following patch: > > https://git.kernel.org/acme/c/ad0902e0c400 > > This sidesteps this issue by removing the sequence of includes that ends > up including the compiler.h from a C++ file. > > Now 'make LIBCLANGLLVM=1 -C tools/perf' works, but I'll look at the > patch below, probably it will save some time in the future if we get to > include compiler.h from C++ code again... > > Take a look at my perf/urgent branch, that I just asked Ingo to pull. Ah, that's great. Sorry for the noise! Mark.