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[2620:137:e000::1:20]) by mx.google.com with ESMTP id y19-20020a056402271300b0045d9a3adf19si14675066edd.564.2022.10.21.05.25.16; Fri, 21 Oct 2022 05:25:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=oLdIZz3l; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230201AbiJUMAd (ORCPT + 99 others); Fri, 21 Oct 2022 08:00:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229816AbiJUMA3 (ORCPT ); Fri, 21 Oct 2022 08:00:29 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CBE7E24E42B for ; Fri, 21 Oct 2022 05:00:26 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4812361E67 for ; Fri, 21 Oct 2022 12:00:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AC641C43470; Fri, 21 Oct 2022 12:00:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666353625; bh=wLiSsLCBvUemVPUmA7PVLvUAvaGVpUx35Yr4C7U15XA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oLdIZz3lKKkdU27FrbVGeSE2xW3GDlfWRHpAsKzY9gP9Jnv7umrhBCq3LbH/H7kf9 uCSueC8OBTd5ZBZU0YrD11bBheye3DDGBljEnh7o8I9LsuEXY8JDAJhhaQE/0GNznI XeqOeVn8rLwPKHUFc7ht/KjgoaTInYvnVYRPTK7yl0FY+8nk4Czzw1axmOioSo8pUv S4bT2Osu8sQaWSk193hDIJlHo71Uit0mZQ1+A+Hoa1Os3yS/3U/9+YkaIdvyc1a39a rU75eLuRQK2T4umxzqtkevP8lKTbVAV4mR7OHfkeqDg3nMM6rwP0asUEk5orrUAqmn jjBlBWx7TpJCw== From: Miguel Ojeda To: Andrey Konovalov , Marco Elver , Kees Cook , Arnd Bergmann Cc: Andrew Morton , Kumar Kartikeya Dwivedi , Nick Desaulniers , Nathan Chancellor , Uros Bizjak , Dan Li , Alexander Potapenko , Miguel Ojeda , linux-kernel@vger.kernel.org Subject: [PATCH 2/5] compiler-gcc: remove attribute support check for `__no_sanitize_address__` Date: Fri, 21 Oct 2022 13:59:53 +0200 Message-Id: <20221021115956.9947-2-ojeda@kernel.org> In-Reply-To: <20221021115956.9947-1-ojeda@kernel.org> References: <20221021115956.9947-1-ojeda@kernel.org> MIME-Version: 1.0 X-Spam-Status: No, score=-7.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747300008453744041?= X-GMAIL-MSGID: =?utf-8?q?1747300008453744041?= The attribute was added in GCC 4.8, while the minimum GCC version supported by the kernel is GCC 5.1. Therefore, remove the check. Link: https://godbolt.org/z/84v56vcn8 Signed-off-by: Miguel Ojeda Reviewed-by: Kees Cook Reviewed-by: Nathan Chancellor --- include/linux/compiler-gcc.h | 4 ---- 1 file changed, 4 deletions(-) diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index b9530d3515ac..bfce7f4d0978 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -82,11 +82,7 @@ #define __noscs __attribute__((__no_sanitize__("shadow-call-stack"))) #endif -#if __has_attribute(__no_sanitize_address__) #define __no_sanitize_address __attribute__((__no_sanitize_address__)) -#else -#define __no_sanitize_address -#endif #if defined(__SANITIZE_THREAD__) && __has_attribute(__no_sanitize_thread__) #define __no_sanitize_thread __attribute__((__no_sanitize_thread__))