From nobody Wed Apr 15 23:30:24 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1002AC433FE for ; Tue, 22 Nov 2022 03:24:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231978AbiKVDYh (ORCPT ); Mon, 21 Nov 2022 22:24:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44100 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231395AbiKVDYe (ORCPT ); Mon, 21 Nov 2022 22:24:34 -0500 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ABD5223E96 for ; Mon, 21 Nov 2022 19:24:33 -0800 (PST) Received: from kwepemi500022.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4NGV3Q0F06zmWNQ; Tue, 22 Nov 2022 11:24:02 +0800 (CST) Received: from huawei.com (10.67.175.34) by kwepemi500022.china.huawei.com (7.221.188.64) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 22 Nov 2022 11:24:31 +0800 From: Ren Zhijie To: , , CC: , , , Ren Zhijie Subject: [PATCH] arm64: armv8_deprecated: fix unused-function error Date: Tue, 22 Nov 2022 03:20:10 +0000 Message-ID: <20221122032010.202956-1-renzhijie2@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.67.175.34] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemi500022.china.huawei.com (7.221.188.64) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If CONFIG_SWP_EMULATION is not set and CONFIG_CP15_BARRIER_EMULATION is not set, aarch64-linux-gnu complained about unused-function : arch/arm64/kernel/armv8_deprecated.c:67:21: error: =E2=80=98aarch32_check_c= ondition=E2=80=99 defined but not used [-Werror=3Dunused-function] static unsigned int aarch32_check_condition(u32 opcode, u32 psr) ^~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors To fix this error, warp the definition of aarch32_check_condition() by defined(CONFIG_SWP_EMULATION) || defined(CONFIG_CP15_BARRIER_EMULATION) Fixes: 0c5f416219da ("arm64: armv8_deprecated: move aarch32 helper earlier") Signed-off-by: Ren Zhijie --- arch/arm64/kernel/armv8_deprecated.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8= _deprecated.c index ed0788cf6bbb..3f29ceb6653a 100644 --- a/arch/arm64/kernel/armv8_deprecated.c +++ b/arch/arm64/kernel/armv8_deprecated.c @@ -64,6 +64,7 @@ struct insn_emulation { =20 #define ARM_OPCODE_CONDITION_UNCOND 0xf =20 +#if defined(CONFIG_SWP_EMULATION) || defined(CONFIG_CP15_BARRIER_EMULATION) static unsigned int aarch32_check_condition(u32 opcode, u32 psr) { u32 cc_bits =3D opcode >> 28; @@ -76,6 +77,7 @@ static unsigned int aarch32_check_condition(u32 opcode, u= 32 psr) } return ARM_OPCODE_CONDTEST_UNCOND; } +#endif =20 #ifdef CONFIG_SWP_EMULATION /* --=20 2.17.1