From patchwork Sat Oct 10 23:47:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiezhu Yang X-Patchwork-Id: 11830613 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2BE2D14D5 for ; Sat, 10 Oct 2020 23:48:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E05A20709 for ; Sat, 10 Oct 2020 23:48:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729283AbgJJXsD (ORCPT ); Sat, 10 Oct 2020 19:48:03 -0400 Received: from mail.loongson.cn ([114.242.206.163]:36518 "EHLO loongson.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726353AbgJJXsC (ORCPT ); Sat, 10 Oct 2020 19:48:02 -0400 Received: from linux.localdomain (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9DxGMQrSIJfLfobAA--.13680S3; Sun, 11 Oct 2020 07:47:55 +0800 (CST) From: Tiezhu Yang To: Thomas Bogendoerfer , Jonathan Corbet , Huacai Chen , Jiaxun Yang Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Xuefeng Li Subject: [PATCH v2 1/4 RESEND] MIPS: Loongson64: Select SMP in Kconfig to avoid build error Date: Sun, 11 Oct 2020 07:47:51 +0800 Message-Id: <1602373674-4579-2-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1602373674-4579-1-git-send-email-yangtiezhu@loongson.cn> References: <1602373674-4579-1-git-send-email-yangtiezhu@loongson.cn> X-CM-TRANSID: AQAAf9DxGMQrSIJfLfobAA--.13680S3 X-Coremail-Antispam: 1UD129KBjvJXoW7uFyxAF1UWr4UGw43GF47twb_yoW8Zr4Dpa 1kCws7GF48WF15ArZ5C3sYgrWfX3s5JrW7ZFWjyw1Uu3sava4UZwsYqr17Ary2grZrta18 WF9agFW7AF42y37anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUBI14x267AKxVW5JVWrJwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jr4l82xGYIkIc2 x26xkF7I0E14v26r1I6r4UM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l84 ACjcxK6I8E87Iv67AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UM2AI xVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20x vE14v26r106r15McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xv r2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkIecxEwVAFwVWfMxAIw28Icx kI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2Iq xVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42 IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY 6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aV CY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUUXyCJUUUUU== X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org In the current code, CONFIG_SMP can be set as N by user on the Loongson platform, then there exists the following build error under !CONFIG_SMP: CC arch/mips/kernel/asm-offsets.s In file included from ./include/linux/gfp.h:9:0, from ./include/linux/xarray.h:14, from ./include/linux/radix-tree.h:18, from ./include/linux/fs.h:15, from ./include/linux/compat.h:17, from arch/mips/kernel/asm-offsets.c:12: ./include/linux/topology.h: In function 'numa_node_id': ./include/linux/topology.h:119:2: error: implicit declaration of function 'cpu_logical_map' [-Werror=implicit-function-declaration] return cpu_to_node(raw_smp_processor_id()); ^ cc1: some warnings being treated as errors scripts/Makefile.build:117: recipe for target 'arch/mips/kernel/asm-offsets.s' failed make[1]: *** [arch/mips/kernel/asm-offsets.s] Error 1 Select SMP in Kconfig to avoid the above build error and then remove CONFIG_SMP=y in loongson3_defconfig. Signed-off-by: Tiezhu Yang --- v2: no changes arch/mips/Kconfig | 1 + arch/mips/configs/loongson3_defconfig | 1 - 2 files changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index b557fa5..75f26d1 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -488,6 +488,7 @@ config MACH_LOONGSON64 select SYS_SUPPORTS_ZBOOT select ZONE_DMA32 select NUMA + select SMP select COMMON_CLK select USE_OF select BUILTIN_DTB diff --git a/arch/mips/configs/loongson3_defconfig b/arch/mips/configs/loongson3_defconfig index a5005c8..38a817e 100644 --- a/arch/mips/configs/loongson3_defconfig +++ b/arch/mips/configs/loongson3_defconfig @@ -30,7 +30,6 @@ CONFIG_EMBEDDED=y CONFIG_PERF_EVENTS=y CONFIG_MACH_LOONGSON64=y CONFIG_CPU_HAS_MSA=y -CONFIG_SMP=y CONFIG_NR_CPUS=16 CONFIG_HZ_256=y CONFIG_KEXEC=y