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 F3A59C49EAB for ; Sat, 26 Jun 2021 07:27:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E23086191B for ; Sat, 26 Jun 2021 07:27:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230127AbhFZH3m (ORCPT ); Sat, 26 Jun 2021 03:29:42 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:5432 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229948AbhFZH3Z (ORCPT ); Sat, 26 Jun 2021 03:29:25 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4GBljC64ZZz74Ts; Sat, 26 Jun 2021 15:23:43 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sat, 26 Jun 2021 15:26:58 +0800 Received: from localhost.localdomain.localdomain (10.175.113.25) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sat, 26 Jun 2021 15:26:58 +0800 From: Kefeng Wang To: Arnd Bergmann , , CC: Kefeng Wang Subject: [PATCH 1/9] kallsyms: Remove arch specific text and data check Date: Sat, 26 Jun 2021 15:34:31 +0800 Message-ID: <20210626073439.150586-2-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210626073439.150586-1-wangkefeng.wang@huawei.com> References: <20210626073439.150586-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org After commit 4ba66a976072 ("arch: remove blackfin port"), no need arch-specific text/data check. Cc: Arnd Bergmann Signed-off-by: Kefeng Wang --- include/asm-generic/sections.h | 16 ---------------- include/linux/kallsyms.h | 3 +-- kernel/locking/lockdep.c | 3 --- 3 files changed, 1 insertion(+), 21 deletions(-) diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index d16302d3eb59..817309e289db 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -64,22 +64,6 @@ extern __visible const void __nosave_begin, __nosave_end; #define dereference_kernel_function_descriptor(p) ((void *)(p)) #endif -/* random extra sections (if any). Override - * in asm/sections.h */ -#ifndef arch_is_kernel_text -static inline int arch_is_kernel_text(unsigned long addr) -{ - return 0; -} -#endif - -#ifndef arch_is_kernel_data -static inline int arch_is_kernel_data(unsigned long addr) -{ - return 0; -} -#endif - /* * Check if an address is part of freed initmem. This is needed on architectures * with virt == phys kernel mapping, for code that wants to check if an address diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h index 1a7968cf7679..d773732cc8eb 100644 --- a/include/linux/kallsyms.h +++ b/include/linux/kallsyms.h @@ -33,8 +33,7 @@ static inline int is_kernel_inittext(unsigned long addr) static inline int is_kernel_text(unsigned long addr) { - if ((addr >= (unsigned long)_stext && addr <= (unsigned long)_etext) || - arch_is_kernel_text(addr)) + if ((addr >= (unsigned long)_stext && addr <= (unsigned long)_etext)) return 1; return in_gate_area_no_mm(addr); } diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 922288b7c03d..8a9c6c9fd0a3 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -803,9 +803,6 @@ static int static_obj(const void *obj) if ((addr >= start) && (addr < end)) return 1; - if (arch_is_kernel_data(addr)) - return 1; - /* * in-kernel percpu var? */ -- 2.26.2