From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752805Ab0IVKId (ORCPT ); Wed, 22 Sep 2010 06:08:33 -0400 Received: from one.firstfloor.org ([213.235.205.2]:34409 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752266Ab0IVKIc (ORCPT ); Wed, 22 Sep 2010 06:08:32 -0400 From: Andi Kleen To: jbaron@redhat.com Cc: rostedt@goodmis.com, linux-kernel@vger.kernel.org, mingo@elte.hu, mathieu.desnoyers@polymtl.ca, hpa@zytor.com, tglx@linutronix.de, roland@redhat.com, rth@redhat.com, mhiramat@redhat.com, fweisbec@gmail.com, avi@redhat.com, davem@davemloft.net, vgoyal@redhat.com, sam@ravnborg.org, tony@bakeyournoodle.com, Andi Kleen Subject: [PATCH 1/2] Add for_each_module iterator function Date: Wed, 22 Sep 2010 12:08:21 +0200 Message-Id: <1285150102-5506-1-git-send-email-andi@firstfloor.org> X-Mailer: git-send-email 1.7.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen This is a generic function to iterate over all modules. To be used in the next patch. Signed-off-by: Andi Kleen --- include/linux/module.h | 1 + kernel/module.c | 10 ++++++++++ 2 files changed, 11 insertions(+), 0 deletions(-) diff --git a/include/linux/module.h b/include/linux/module.h index 403ac26..809b6db 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -410,6 +410,7 @@ struct module *__module_address(unsigned long addr); bool is_module_address(unsigned long addr); bool is_module_percpu_address(unsigned long addr); bool is_module_text_address(unsigned long addr); +void for_each_module(void (*op)(struct module *, void *arg), void *arg); static inline int within_module_core(unsigned long addr, struct module *mod) { diff --git a/kernel/module.c b/kernel/module.c index eba1341..b8fb3e6 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -384,6 +384,16 @@ struct module *find_module(const char *name) } EXPORT_SYMBOL_GPL(find_module); +void for_each_module(void (*op)(struct module *, void *arg), void *arg) +{ + struct module *mod; + + preempt_disable(); + list_for_each_entry_rcu(mod, &modules, list) + op(mod, arg); + preempt_enable(); +} + #ifdef CONFIG_SMP static inline void __percpu *mod_percpu(struct module *mod) -- 1.7.1