From nobody Tue Dec 30 13:12:23 2025 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 A1B7AC4332F for ; Wed, 15 Nov 2023 13:21:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343942AbjKONV6 (ORCPT ); Wed, 15 Nov 2023 08:21:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50846 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343884AbjKONV4 (ORCPT ); Wed, 15 Nov 2023 08:21:56 -0500 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 346AE11D; Wed, 15 Nov 2023 05:21:51 -0800 (PST) Received: from loongson.cn (unknown [112.22.233.25]) by gateway (Coremail) with SMTP id _____8BxbOrtxVRlyEY6AA--.21729S3; Wed, 15 Nov 2023 21:21:49 +0800 (CST) Received: from localhost.localdomain (unknown [112.22.233.25]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Axzy_pxVRlXQNDAA--.16352S2; Wed, 15 Nov 2023 21:21:48 +0800 (CST) From: WANG Rui To: Huacai Chen Cc: WANG Xuerui , Xi Ruoyao , linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, linux-kbuild@vger.kernel.org, llvm@lists.linux.dev, loongson-kernel@lists.loongnix.cn, WANG Rui Subject: [PATCH] LoongArch: Explicitly set -fdirect-access-external-data for vmlinux Date: Wed, 15 Nov 2023 21:21:37 +0800 Message-ID: <20231115132137.178523-1-wangrui@loongson.cn> X-Mailer: git-send-email 2.42.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf8Axzy_pxVRlXQNDAA--.16352S2 X-CM-SenderInfo: pzdqw2txl6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBj93XoW7JrWUtr47Ww47Zr4rGryrZrc_yoW8Jrykpa 97ur48Gws5ArWIqF9FqFWfXw4qyr4DJr4fZa47Krn8ZFyDZryfZw45Ar4qg3W2y34kAryx Wa1xGFy2qFW5JwbCm3ZEXasCq-sJn29KB7ZKAUJUUUU5529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUkFb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx 1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1Y6r17McIj6I8E87Iv 67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2 Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s02 6x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0x vE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE 42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6x kF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x07j1WlkUUUUU= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" After this llvm commit [1], The -fno-pic does not imply direct access external data. Explicitly set -fdirect-access-external-data for vmlinux that can avoids GOT entries. Link: https://github.com/llvm/llvm-project/commit/47eeee297775347cbdb7624d6= a766c2a3eec4a59 Suggested-by: Xi Ruoyao Signed-off-by: WANG Rui --- arch/loongarch/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/loongarch/Makefile b/arch/loongarch/Makefile index c31a62521e6b..1f0d74403419 100644 --- a/arch/loongarch/Makefile +++ b/arch/loongarch/Makefile @@ -68,6 +68,7 @@ LDFLAGS_vmlinux +=3D -static -n -nostdlib ifdef CONFIG_AS_HAS_EXPLICIT_RELOCS cflags-y +=3D $(call cc-option,-mexplicit-relocs) KBUILD_CFLAGS_KERNEL +=3D $(call cc-option,-mdirect-extern-access) +KBUILD_CFLAGS_KERNEL +=3D $(call cc-option,-fdirect-access-external-data) KBUILD_AFLAGS_MODULE +=3D $(call cc-option,-fno-direct-access-external-da= ta) KBUILD_CFLAGS_MODULE +=3D $(call cc-option,-fno-direct-access-external-da= ta) KBUILD_AFLAGS_MODULE +=3D $(call cc-option,-mno-relax) $(call cc-option,-= Wa$(comma)-mno-relax) --=20 2.42.1