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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 70FD1C43387 for ; Thu, 3 Jan 2019 21:48:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3311620815 for ; Thu, 3 Jan 2019 21:48:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=agner.ch header.i=@agner.ch header.b="yJXIoeis" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728174AbfACVsP (ORCPT ); Thu, 3 Jan 2019 16:48:15 -0500 Received: from mail.kmu-office.ch ([178.209.48.109]:54134 "EHLO mail.kmu-office.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728104AbfACVsG (ORCPT ); Thu, 3 Jan 2019 16:48:06 -0500 Received: from zyt.lan (unknown [IPv6:2a02:169:3465::564]) by mail.kmu-office.ch (Postfix) with ESMTPSA id B08DB5C0DDD; Thu, 3 Jan 2019 22:48:04 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=agner.ch; s=dkim; t=1546552084; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Nm4UmKZymvFz3g4I1uxh32+ZhB2G26RZTf6BIquMT90=; b=yJXIoeisnxddINmwN39ZHj+JAuzeVDTn1UH/6K4YvXOHmGagmySEJzLiI2ct+79pOmhNQL NkN7J/DQx+puP8yB+g1pCUlAX6PgQ/MdJLWwlim5nkRVIjagqg+u7U6ZOdP2wO4jKhxD1D Gys+/LYDKwV5j0ns1P6pbVvBlQhc9Z0= From: Stefan Agner To: linux@armlinux.org.uk Cc: ndesaulniers@google.com, natechancellor@gmail.com, arnd@arndb.de, ard.biesheuvel@linaro.org, nicolas.pitre@linaro.org, peterz@infradead.org, mingo@redhat.com, will.deacon@arm.com, julien.thierry@arm.com, mark.rutland@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Stefan Agner Subject: [PATCH v2 2/3] ARM: uaccess: use unified assembler language syntax Date: Thu, 3 Jan 2019 22:48:14 +0100 Message-Id: <5ef2acc655abfbe8bfa2cd30ecc5c2286b8fdfa3.1546551693.git.stefan@agner.ch> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Convert the conditional infix to a postfix to make sure this inline assembly is unified syntax. Since gcc assumes non-unified syntax when emitting ARM instructions, make sure to define the syntax as unified. This allows to use LLVM's integrated assembler. Signed-off-by: Stefan Agner --- Changes since v1: - Explicitly use unified syntax for inline assembly arch/arm/include/asm/uaccess.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h index 6390a40f16e7..a50f9b4e2574 100644 --- a/arch/arm/include/asm/uaccess.h +++ b/arch/arm/include/asm/uaccess.h @@ -86,7 +86,8 @@ static inline void set_fs(mm_segment_t fs) #define __range_ok(addr, size) ({ \ unsigned long flag, roksum; \ __chk_user_ptr(addr); \ - __asm__("adds %1, %2, %3; sbcccs %1, %1, %0; movcc %0, #0" \ + __asm__(".syntax unified\n" \ + "adds %1, %2, %3; sbcscc %1, %1, %0; movcc %0, #0" \ : "=&r" (flag), "=&r" (roksum) \ : "r" (addr), "Ir" (size), "0" (current_thread_info()->addr_limit) \ : "cc"); \ -- 2.20.1