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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 46558C433FF for ; Mon, 5 Aug 2019 13:16:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 105A62075B for ; Mon, 5 Aug 2019 13:16:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565010982; bh=CYvkzKEU1nyUw5Pdr5OI8fZUul+Ab5odDtLyQv/4T6c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=B3ghWokbcOOHL6pHYPanM0GQrbNYn8/4kgEdxWeKaDmZe3ilxI+48zTqwysG5wnIh asIe59oOa9aYp/fj5pivutRCmfCpkRpvDIA07fvSpWnmjeaX+wboGe466ENAtnfmYr y6OBwhfRk91T5TiBURbxGGLJiTtd4/kMAvlY4SJg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729536AbfHENGN (ORCPT ); Mon, 5 Aug 2019 09:06:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:42588 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729507AbfHENGK (ORCPT ); Mon, 5 Aug 2019 09:06:10 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9BB20206C1; Mon, 5 Aug 2019 13:06:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565010369; bh=CYvkzKEU1nyUw5Pdr5OI8fZUul+Ab5odDtLyQv/4T6c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZNGvRM+1Ftjzh4iqC9UtE640eNnDoxsxKX/QjgHxMJxu8+SyUV6R0+kYaWTS0s7mh Ermz9+k2CREUYyFpPO4xD4EuUFrTmyUL90lsZDbVl8h1v4em3Mt4iOr80KIHNF+gJb 7balmMkZLuTtgq/xmMjo+yURCZA4usAcHoupe+J8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "stable@vger.kernel.org, Miguel Ojeda" , Rolf Eike Beer , Miguel Ojeda Subject: [PATCH 4.9 39/42] Backport minimal compiler_attributes.h to support GCC 9 Date: Mon, 5 Aug 2019 15:03:05 +0200 Message-Id: <20190805124929.606014897@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190805124924.788666484@linuxfoundation.org> References: <20190805124924.788666484@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Miguel Ojeda This adds support for __copy to v4.9.y so that we can use it in init/exit_module to avoid -Werror=missing-attributes errors on GCC 9. Link: https://lore.kernel.org/lkml/259986242.BvXPX32bHu@devpool35/ Cc: Suggested-by: Rolf Eike Beer Signed-off-by: Miguel Ojeda Signed-off-by: Greg Kroah-Hartman --- include/linux/compiler.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -54,6 +54,22 @@ extern void __chk_io_ptr(const volatile #ifdef __KERNEL__ +/* + * Minimal backport of compiler_attributes.h to add support for __copy + * to v4.9.y so that we can use it in init/exit_module to avoid + * -Werror=missing-attributes errors on GCC 9. + */ +#ifndef __has_attribute +# define __has_attribute(x) __GCC4_has_attribute_##x +# define __GCC4_has_attribute___copy__ 0 +#endif + +#if __has_attribute(__copy__) +# define __copy(symbol) __attribute__((__copy__(symbol))) +#else +# define __copy(symbol) +#endif + #ifdef __GNUC__ #include #endif