From patchwork Fri Dec 16 10:56:27 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 101391 Delivered-To: patch@linaro.org Received: by 10.140.20.101 with SMTP id 92csp1334276qgi; Fri, 16 Dec 2016 02:59:56 -0800 (PST) X-Received: by 10.99.181.76 with SMTP id u12mr4543658pgo.64.1481885996201; Fri, 16 Dec 2016 02:59:56 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 62si7274543ply.143.2016.12.16.02.59.53; Fri, 16 Dec 2016 02:59:56 -0800 (PST) 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 S934895AbcLPK7q (ORCPT + 25 others); Fri, 16 Dec 2016 05:59:46 -0500 Received: from mout.kundenserver.de ([217.72.192.74]:59246 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760724AbcLPK5G (ORCPT ); Fri, 16 Dec 2016 05:57:06 -0500 Received: from wuerfel.lan ([78.43.21.235]) by mrelayeu.kundenserver.de (mreue104 [212.227.15.145]) with ESMTPA (Nemesis) id 0M3B8p-1cZW4N1vj5-00sxYg; Fri, 16 Dec 2016 11:56:48 +0100 From: Arnd Bergmann To: linux-arch@vger.kernel.org Cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@vger.kernel.org, Russell King , Andrew Morton , kernel-build-reports@lists.linaro.org, kvmarm@lists.cs.columbia.edu, Arnd Bergmann Subject: [PATCH 06/13] ARM: atomic: fix gcc-4.4 build Date: Fri, 16 Dec 2016 11:56:27 +0100 Message-Id: <20161216105634.235457-7-arnd@arndb.de> X-Mailer: git-send-email 2.9.0 In-Reply-To: <20161216105634.235457-1-arnd@arndb.de> References: <20161216105634.235457-1-arnd@arndb.de> X-Provags-ID: V03:K0:vxJJPs6HvW9RBmgWtx+wBxKJHDbtZ+XZPepzQz7dHPu80Gg2CTj /dtFKYTEcYYOpPTZTvJMr1Dl6qizkCUQODROHsVYgTyUI/ecpKLlbFWM3TGtnOrkhz2PPbQ uC6gZ1KtOybCAtmBD85EznrZeg9d5BTOUsTSPQegdLbfBRAgLFxiwfCaWBhVVIlLo130Crl CgI6RyTmXLUZiLsHJ5ULQ== X-UI-Out-Filterresults: notjunk:1; V01:K0:3IPkXmV89Ro=:9eeiDj0KghwpW7jj3nhNht n858QkUV0XBGwGX9gURpaf6wXyv4WXBb5JLWFSKXd1BgRwIFqG4Du553dIWLoftPNa6d9NReK V6gzY0WGHCXOmr36b3NHxQqfrnoosZtM+0KGqmIu0ToenkKKNoxX5lyvn3dGwypHKAFSbnMCQ AUNYBg0sXQid+x4Spe+edHJK/bN+XHeuBzbstnO0d5o3VzpcLa7BE1LMewJEeczslTM+QtR1Y IpklijTqY5IN966zSPlQ0o/2O4ypZawWk9LiEIJbzp3gfu0aw1p3S+BQsXd7v9mxfB0pnmKr/ v7EEpCFgot24n7AJUw1K7Fdca/pRDVjTJPrh0IwYXRGqrCMtOPwpkmxEId7RamUFDjBunCumR e9xOhYvufMkmKuIwjL5DOgtZ67NzyeBnKfe/AJpuUwnCwx8gbM+3e/XdIUBT4ZMMtxSW1lxPC jAJuaUrEa4990v+mj7KQypjACpC0iN0zJbRa0eddW8aQFc7cIFuIPp0tMlaAKzJPo0Uyq8VcT RPLHQ0B+IcdTJ4tm3Q3/t1kwD+JeIt229AviAy3XFjXjCdcDyKa/WKkZKKLzEW0Yf1Emp9cTx HiOaq7uMt+HYg3cXJ7d/cZC5wtVRV4TeBI544TDwjANyd9mT1+uZ0YV1mYK6aG9yZ8T+sjHLj DHlkEs5BdLf9tfQbFjp61la1WzLSoPumLA/F19LA+07ZqpbpiBxK2i7JQhmKkwfQlbxc= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org gcc-4.4 fails to build some files with this constraint, which was added to help out with gcc-4.6 and higher: fs/btrfs/delayed-ref.c: In function 'add_delayed_tree_ref': arch/arm/include/asm/atomic.h:280: error: 'asm' operand requires impossible reload Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44492 Signed-off-by: Arnd Bergmann --- arch/arm/include/asm/atomic.h | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) -- 2.9.0 diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h index 66d0e215a773..65d5b843831a 100644 --- a/arch/arm/include/asm/atomic.h +++ b/arch/arm/include/asm/atomic.h @@ -280,7 +280,10 @@ static inline long long atomic64_read(const atomic64_t *v) __asm__ __volatile__("@ atomic64_read\n" " ldrd %0, %H0, [%1]" : "=&r" (result) - : "r" (&v->counter), "Qo" (v->counter) + : "r" (&v->counter) +#if GCC_VERSION >= 40600 + , "Qo" (v->counter) +#endif ); return result; @@ -302,7 +305,10 @@ static inline long long atomic64_read(const atomic64_t *v) __asm__ __volatile__("@ atomic64_read\n" " ldrexd %0, %H0, [%1]" : "=&r" (result) - : "r" (&v->counter), "Qo" (v->counter) + : "r" (&v->counter) +#if GCC_VERSION >= 40600 + , "Qo" (v->counter) +#endif ); return result;