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=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 4E829C606C1 for ; Mon, 8 Jul 2019 15:22:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 22FC1216E3 for ; Mon, 8 Jul 2019 15:22:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562599340; bh=gl/oNOjwK39gihV+wxOnVsA+ocDBYadNV3JNY+DxmXk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=NpfhE2Htc/mkOG05xICIuJAq5Qs/J6FO+oiIdQaEdIVeGPHuvMcX7PduLq+Tvxdlf gGrWsnaHR6pljxVGkbsrhIweqG92yLInhXLrK3LosG/tVfli2ahJJ0Jv9DmAy5k5VN eWSGpV/gCTAUg9niH8Z+lOCul8/Je05Kr7LaRK84= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728922AbfGHPWT (ORCPT ); Mon, 8 Jul 2019 11:22:19 -0400 Received: from mail.kernel.org ([198.145.29.99]:48610 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387899AbfGHPWQ (ORCPT ); Mon, 8 Jul 2019 11:22:16 -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 E30A721707; Mon, 8 Jul 2019 15:22:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562599335; bh=gl/oNOjwK39gihV+wxOnVsA+ocDBYadNV3JNY+DxmXk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=y7V8yrOhGbOmVhQdeNAewaLX6hRemECnmRqC7Fg054pXeQbVnG3qtKxNl7IKvgQ+X JoXQjgRlO9dsyy6zyGHQ/p88Fh71jWrpMk+ynRgCFTySGIJzzzbeoItLYc4rgkDsU/ 4XINRiDmKsLw/7hvsXVnbAuwAwogMRLTxeoM9RqI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arnd Bergmann , Vineet Gupta Subject: [PATCH 4.9 081/102] ARC: handle gcc generated __builtin_trap for older compiler Date: Mon, 8 Jul 2019 17:13:14 +0200 Message-Id: <20190708150530.661283796@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190708150525.973820964@linuxfoundation.org> References: <20190708150525.973820964@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: Vineet Gupta commit af1be2e21203867cb958aaceed5366e2e24b88e8 upstream. ARC gcc prior to GNU 2018.03 release didn't have a target specific __builtin_trap() implementation, generating default abort() call. Implement the abort() call - emulating what newer gcc does for the same, as suggested by Arnd. Acked-by: Arnd Bergmann Signed-off-by: Vineet Gupta Signed-off-by: Greg Kroah-Hartman --- arch/arc/kernel/traps.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/arch/arc/kernel/traps.c +++ b/arch/arc/kernel/traps.c @@ -155,3 +155,11 @@ void do_insterror_or_kprobe(unsigned lon insterror_is_error(address, regs); } + +/* + * abort() call generated by older gcc for __builtin_trap() + */ +void abort(void) +{ + __asm__ __volatile__("trap_s 5\n"); +}