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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,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 B724ECA9EA9 for ; Fri, 18 Oct 2019 22:14:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7E0D821852 for ; Fri, 18 Oct 2019 22:14:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571436897; bh=WEjXPYN/4z2tLd11WOkLYZH11e/S5V8qQlTCbEuf090=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=G+jZyHO+G43DR9TIuE9RGDPFwh2ta+toRRXutjWX5vVBSDw+ChqikSxn0cvtrQK/K TvL5R7rjePRZbfPT2oTzrlSnzknsG6EEt3swvp1Rykux1jWa0KvByoBVV0DNm3nrVq Dowl+DyN0XY5yIodE2XfEAHYlDSybK5p/1BRnsh8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388719AbfJRWO4 (ORCPT ); Fri, 18 Oct 2019 18:14:56 -0400 Received: from mail.kernel.org ([198.145.29.99]:41884 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388649AbfJRWJM (ORCPT ); Fri, 18 Oct 2019 18:09:12 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3D20422468; Fri, 18 Oct 2019 22:09:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571436552; bh=WEjXPYN/4z2tLd11WOkLYZH11e/S5V8qQlTCbEuf090=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vFEOdYiah+Mr0DrCzYdIXEPpBXrWjTxdY2qG1ODKZZkQISOCZL+HmHj4couyFv47T a8qQPxUoseSOrU/7kVX0UKnvJm4mpNamz1W96b/ZXigc2KjE/EHc9Gx1uNOgVWjXqw 0UKg63jd29L9YlHYAjsrTZFz09m0rNyeX5VFPJNg= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Thomas Bogendoerfer , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Paul Burton , Ralf Baechle , James Hogan , linux-mips@vger.kernel.org, Sasha Levin , linux-mips@linux-mips.org Subject: [PATCH AUTOSEL 4.14 50/56] MIPS: include: Mark __xchg as __always_inline Date: Fri, 18 Oct 2019 18:07:47 -0400 Message-Id: <20191018220753.10002-50-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191018220753.10002-1-sashal@kernel.org> References: <20191018220753.10002-1-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: Thomas Bogendoerfer [ Upstream commit 46f1619500d022501a4f0389f9f4c349ab46bb86 ] Commit ac7c3e4ff401 ("compiler: enable CONFIG_OPTIMIZE_INLINING forcibly") allows compiler to uninline functions marked as 'inline'. In cace of __xchg this would cause to reference function __xchg_called_with_bad_pointer, which is an error case for catching bugs and will not happen for correct code, if __xchg is inlined. Signed-off-by: Thomas Bogendoerfer Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Paul Burton Cc: Ralf Baechle Cc: James Hogan Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Sasha Levin --- arch/mips/include/asm/cmpxchg.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/mips/include/asm/cmpxchg.h b/arch/mips/include/asm/cmpxchg.h index 895f91b9e89c3..520ca166cbed5 100644 --- a/arch/mips/include/asm/cmpxchg.h +++ b/arch/mips/include/asm/cmpxchg.h @@ -73,8 +73,8 @@ extern unsigned long __xchg_called_with_bad_pointer(void) extern unsigned long __xchg_small(volatile void *ptr, unsigned long val, unsigned int size); -static inline unsigned long __xchg(volatile void *ptr, unsigned long x, - int size) +static __always_inline +unsigned long __xchg(volatile void *ptr, unsigned long x, int size) { switch (size) { case 1: -- 2.20.1