From patchwork Tue Aug 30 21:48:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suren Baghdasaryan X-Patchwork-Id: 12959931 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 9B069ECAAD4 for ; Tue, 30 Aug 2022 21:49:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231776AbiH3Vtf (ORCPT ); Tue, 30 Aug 2022 17:49:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231741AbiH3Vt3 (ORCPT ); Tue, 30 Aug 2022 17:49:29 -0400 Received: from mail-yw1-x114a.google.com (mail-yw1-x114a.google.com [IPv6:2607:f8b0:4864:20::114a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE3768E9BD for ; Tue, 30 Aug 2022 14:49:27 -0700 (PDT) Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-33f8988daecso180733757b3.12 for ; Tue, 30 Aug 2022 14:49:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc; bh=b8cpW+nrR3APd+B9XZ294x5uN/r70qZMashrRw3GaA8=; b=B8JrbzRleZqubdBWO9KwQObWYBUFN1DEZsbcRMc0ufm/mVUktKeZg8X1kQOqUZzy93 ncNLrZU8nPu7KazqAMAyKJcikXtJLfl/reW5WBaXn80mOydYU5Xs8aKPQyLo7ErwCgSR 6vTq/fkGb/bg91DRTJvbM/ZhewoDhk6Fzi5TAqWRXDZK39lE+mcUdSuOiAqs+pSJsWjQ 9uZPxBCGuZMakiTU63KXQhu+wIJ9wLTXQN/A1wLZlo6tR7q0gp+RObUZBUjYJR6H/wFq J6OY9ufTA18je5eH0c2mEH8FL4dZmNwHh7WEfnbxz8VCQJOnaA1LbLkW+QDP3I4yxqae dF5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc; bh=b8cpW+nrR3APd+B9XZ294x5uN/r70qZMashrRw3GaA8=; b=lZgZkzz+ev6dJQF9DyVXaGp9/+hOc20czpU9x8X058FweMTpK7S9XVrIbx14E1+/NI VwO4quv/lPW+Tkzvggy1AKbNSKJ9ynyQLq5m280zgWjIscuJkTkA2o5EJZgfDE588esO +Tlhlh9D9nFyctnV0vPqxrTcs9kMIXss8eF/eNa5YBkCG6hM/uz6PKzrb2Fq1B0zuSsI c9iI35Szagv9AEObNioPm+bQgFhK+12OTVict4kfa+kyrkHnNvDZ/X5X15HWLyLNMMIg GAo1TwDKhBcOne4I1WqkdInGgNI1O3o9y/O+v9LBU0CphScHTvYmVubFzdmup5vp5wvs HJMQ== X-Gm-Message-State: ACgBeo3SauZXbv/C7+oRpFW/tZTTylBum14Oqa1qyasmX3exO1TkhoO6 kSnvoLHbC1cgkv6vTpN80EtQCBMz9gk= X-Google-Smtp-Source: AA6agR57tRpK3lCbg8ALQyLqVk3+SD8j/eJQxhkloYdEQAGMf1mIZU8UNti5rfc/2ao5N+5wkH06z2emEi0= X-Received: from surenb-desktop.mtv.corp.google.com ([2620:15c:211:200:a005:55b3:6c26:b3e4]) (user=surenb job=sendgmr) by 2002:a0d:e650:0:b0:341:85d:f480 with SMTP id p77-20020a0de650000000b00341085df480mr9713169ywe.161.1661896166926; Tue, 30 Aug 2022 14:49:26 -0700 (PDT) Date: Tue, 30 Aug 2022 14:48:50 -0700 In-Reply-To: <20220830214919.53220-1-surenb@google.com> Mime-Version: 1.0 References: <20220830214919.53220-1-surenb@google.com> X-Mailer: git-send-email 2.37.2.672.g94769d06f0-goog Message-ID: <20220830214919.53220-2-surenb@google.com> Subject: [RFC PATCH 01/30] kernel/module: move find_kallsyms_symbol_value declaration From: Suren Baghdasaryan To: akpm@linux-foundation.org Cc: kent.overstreet@linux.dev, mhocko@suse.com, vbabka@suse.cz, hannes@cmpxchg.org, roman.gushchin@linux.dev, mgorman@suse.de, dave@stgolabs.net, willy@infradead.org, liam.howlett@oracle.com, void@manifault.com, peterz@infradead.org, juri.lelli@redhat.com, ldufour@linux.ibm.com, peterx@redhat.com, david@redhat.com, axboe@kernel.dk, mcgrof@kernel.org, masahiroy@kernel.org, nathan@kernel.org, changbin.du@intel.com, ytcoode@gmail.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, bristot@redhat.com, vschneid@redhat.com, cl@linux.com, penberg@kernel.org, iamjoonsoo.kim@lge.com, 42.hyeyoo@gmail.com, glider@google.com, elver@google.com, dvyukov@google.com, shakeelb@google.com, songmuchun@bytedance.com, arnd@arndb.de, jbaron@akamai.com, rientjes@google.com, minchan@google.com, kaleshsingh@google.com, surenb@google.com, kernel-team@android.com, linux-mm@kvack.org, iommu@lists.linux.dev, kasan-dev@googlegroups.com, io-uring@vger.kernel.org, linux-arch@vger.kernel.org, xen-devel@lists.xenproject.org, linux-bcache@vger.kernel.org, linux-modules@vger.kernel.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Allow find_kallsyms_symbol_value to be called by code outside of kernel/module. It will be used for code tagging module support. Signed-off-by: Suren Baghdasaryan --- include/linux/module.h | 1 + kernel/module/internal.h | 1 - 2 files changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/module.h b/include/linux/module.h index 518296ea7f73..563d38ad84ed 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -605,6 +605,7 @@ struct module *find_module(const char *name); int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, char *name, char *module_name, int *exported); +unsigned long find_kallsyms_symbol_value(struct module *mod, const char *name); /* Look for this name: can be of form module:name. */ unsigned long module_kallsyms_lookup_name(const char *name); diff --git a/kernel/module/internal.h b/kernel/module/internal.h index 680d980a4fb2..f1b6c477bd93 100644 --- a/kernel/module/internal.h +++ b/kernel/module/internal.h @@ -246,7 +246,6 @@ static inline void kmemleak_load_module(const struct module *mod, void init_build_id(struct module *mod, const struct load_info *info); void layout_symtab(struct module *mod, struct load_info *info); void add_kallsyms(struct module *mod, const struct load_info *info); -unsigned long find_kallsyms_symbol_value(struct module *mod, const char *name); static inline bool sect_empty(const Elf_Shdr *sect) {