Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933083Ab1FQUCH (ORCPT ); Fri, 17 Jun 2011 16:02:07 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:54795 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S933048Ab1FQUCE (ORCPT ); Fri, 17 Jun 2011 16:02:04 -0400 Message-ID: <4DFBB2D5.2060003@cn.fujitsu.com> Date: Sat, 18 Jun 2011 04:02:29 +0800 From: Xiao Guangrong User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc15 Thunderbird/3.1.10 MIME-Version: 1.0 To: Ingo Molnar CC: Jason Baron , Jiri Olsa , LKML Subject: [PATCH] jump_label: fix jump_label update X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-06-18 04:00:06, Serialize by Router on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-06-18 04:01:42, Serialize complete at 2011-06-18 04:01:42 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1355 Lines: 39 The key of module is out of __stop___jump_table, it causes the events of modules does not work This bug is introduced by commit: 7cbc5b8d4a775a43875a09e29c49a2a8195b5b2d Signed-off-by: Xiao Guangrong --- kernel/jump_label.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-) diff --git a/kernel/jump_label.c b/kernel/jump_label.c index fa27e75..dcad2fb 100644 --- a/kernel/jump_label.c +++ b/kernel/jump_label.c @@ -375,11 +375,15 @@ int jump_label_text_reserved(void *start, void *end) static void jump_label_update(struct jump_label_key *key, int enable) { - struct jump_entry *entry = key->entries; + struct jump_entry *entry = key->entries, *stop = __stop___jump_table; + struct module *mod = __module_address((jump_label_t)key); + + if (mod) + stop = mod->jump_entries + mod->num_jump_entries; /* if there are no users, entry can be NULL */ if (entry) - __jump_label_update(key, entry, __stop___jump_table, enable); + __jump_label_update(key, entry, stop, enable); #ifdef CONFIG_MODULES __jump_label_mod_update(key, enable); -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/