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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 957F0C43381 for ; Wed, 13 Jan 2021 10:58:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5339023159 for ; Wed, 13 Jan 2021 10:58:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727179AbhAMK6g (ORCPT ); Wed, 13 Jan 2021 05:58:36 -0500 Received: from mail.loongson.cn ([114.242.206.163]:54198 "EHLO loongson.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727116AbhAMK6f (ORCPT ); Wed, 13 Jan 2021 05:58:35 -0500 Received: from linux.localdomain (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Dxr78d0v5fhLMDAA--.6498S4; Wed, 13 Jan 2021 18:57:37 +0800 (CST) From: Tiezhu Yang To: Luc Van Oostenryck , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Nathan Chancellor , Nick Desaulniers Cc: linux-sparse@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, clang-built-linux@googlegroups.com, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Xuefeng Li Subject: [PATCH 2/2] compiler.h: Include asm/rwonce.h under ARM64 and ALPHA to fix build errors Date: Wed, 13 Jan 2021 18:57:33 +0800 Message-Id: <1610535453-2352-3-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1610535453-2352-1-git-send-email-yangtiezhu@loongson.cn> References: <1610535453-2352-1-git-send-email-yangtiezhu@loongson.cn> X-CM-TRANSID: AQAAf9Dxr78d0v5fhLMDAA--.6498S4 X-Coremail-Antispam: 1UD129KBjvJXoW7Kw1UZFyrZr1rXr4kAw4kCrg_yoW8XrW3pF 1DZr18KFW5ur1UGr98Aw12y347Zw4rGF17AFyDu348ZFyaq393X390gryYkF97Za9FqFWx Kr9rWrW3Cr1UZ3DanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPK14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jryl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UM2 8EF7xvwVC2z280aVAFwI0_Cr1j6rxdM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS 0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2 IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Cr0_Gr1UMcvjeVCFs4IE7xkEbVWUJVW8JwAC jcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2ka0x kIwI1lc2xSY4AK67AK6r4DMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4U MI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67 AKxVW8ZVWrXwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0 cI8IcVCY1x0267AKxVWxJVW8Jr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4 A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU 0xZFpf9x0JUCzuAUUUUU= X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ Precedence: bulk List-ID: X-Mailing-List: linux-sparse@vger.kernel.org When make M=samples/bpf on the Loongson 3A3000 platform which belongs to MIPS arch, there exists many similar build errors about 'asm/rwonce.h' file not found, so include it only under CONFIG_ARM64 and CONFIG_ALPHA due to it exists only in arm64 and alpha arch. CLANG-bpf samples/bpf/xdpsock_kern.o In file included from samples/bpf/xdpsock_kern.c:2: In file included from ./include/linux/bpf.h:9: In file included from ./include/linux/workqueue.h:9: In file included from ./include/linux/timer.h:5: In file included from ./include/linux/list.h:9: In file included from ./include/linux/kernel.h:10: ./include/linux/compiler.h:246:10: fatal error: 'asm/rwonce.h' file not found ^~~~~~~~~~~~~~ 1 error generated. $ find . -name rwonce.h ./include/asm-generic/rwonce.h ./arch/arm64/include/asm/rwonce.h ./arch/alpha/include/asm/rwonce.h Signed-off-by: Tiezhu Yang --- include/linux/compiler.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/compiler.h b/include/linux/compiler.h index b8fe0c2..bdbe759 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -243,6 +243,12 @@ static inline void *offset_to_ptr(const int *off) */ #define prevent_tail_call_optimization() mb() +#ifdef CONFIG_ARM64 #include +#endif + +#ifdef CONFIG_ALPHA +#include +#endif #endif /* __LINUX_COMPILER_H */ -- 2.1.0