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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C30AFC433F5 for ; Fri, 29 Apr 2022 09:46:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356820AbiD2JtV (ORCPT ); Fri, 29 Apr 2022 05:49:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356815AbiD2Jsy (ORCPT ); Fri, 29 Apr 2022 05:48:54 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 010EB97291; Fri, 29 Apr 2022 02:45:23 -0700 (PDT) Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4KqSJc0pzRzhYpK; Fri, 29 Apr 2022 17:45:04 +0800 (CST) Received: from dggpemm500013.china.huawei.com (7.185.36.172) by dggpemm500022.china.huawei.com (7.185.36.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 29 Apr 2022 17:45:14 +0800 Received: from ubuntu1804.huawei.com (10.67.175.36) by dggpemm500013.china.huawei.com (7.185.36.172) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 29 Apr 2022 17:45:14 +0800 From: Chen Zhongjin To: , , CC: , , , , , , , , , , , , , , Subject: [RFC PATCH v4 25/37] arm64: bpf: Skip validation of ___bpf_prog_run Date: Fri, 29 Apr 2022 17:43:43 +0800 Message-ID: <20220429094355.122389-26-chenzhongjin@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220429094355.122389-1-chenzhongjin@huawei.com> References: <20220429094355.122389-1-chenzhongjin@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.175.36] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpemm500013.china.huawei.com (7.185.36.172) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org There is a jump table encoded in ___bpf_prog_run and objtool-arm64 can't deal with it now. Skip validate it for arm64. Signed-off-by: Chen Zhongjin --- kernel/bpf/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 13e9dbeeedf3..d702f1d83176 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -2022,6 +2022,9 @@ static u64 ___bpf_prog_run(u64 *regs, const struct bpf_insn *insn) BUG_ON(1); return 0; } +#ifdef CONFIG_ARM64 +STACK_FRAME_NON_STANDARD(___bpf_prog_run); +#endif #define PROG_NAME(stack_size) __bpf_prog_run##stack_size #define DEFINE_BPF_PROG_RUN(stack_size) \ -- 2.17.1