From patchwork Wed Mar 8 07:38:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen (ThunderTown)" X-Patchwork-Id: 13165314 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 6F133C64EC4 for ; Wed, 8 Mar 2023 07:39:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229709AbjCHHjH (ORCPT ); Wed, 8 Mar 2023 02:39:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40902 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229614AbjCHHjG (ORCPT ); Wed, 8 Mar 2023 02:39:06 -0500 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E710A24485; Tue, 7 Mar 2023 23:38:54 -0800 (PST) Received: from dggpemm500006.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4PWkdJ5zj8z16Nb6; Wed, 8 Mar 2023 15:36:04 +0800 (CST) Received: from thunder-town.china.huawei.com (10.174.178.55) by dggpemm500006.china.huawei.com (7.185.36.236) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Wed, 8 Mar 2023 15:38:52 +0800 From: Zhen Lei To: Luis Chamberlain , Josh Poimboeuf , Jiri Kosina , Miroslav Benes , Petr Mladek , Joe Lawrence , Jiri Olsa , Steven Rostedt , Masami Hiramatsu , Mark Rutland , , , , CC: Zhen Lei Subject: [PATCH] kallsyms: Delete an unused parameter related to {module_}kallsyms_on_each_symbol() Date: Wed, 8 Mar 2023 15:38:46 +0800 Message-ID: <20230308073846.1882-1-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.37.3.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.174.178.55] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm500006.china.huawei.com (7.185.36.236) X-CFilter-Loop: Reflected Precedence: bulk List-ID: The parameter 'struct module *' in the hook function associated with {module_}kallsyms_on_each_symbol() is no longer used. Delete it. Suggested-by: Petr Mladek Signed-off-by: Zhen Lei Acked-by: Jiri Olsa Reviewed-by: Vincenzo Palazzo Acked-by: Steven Rostedt (Google) --- include/linux/kallsyms.h | 7 +++---- include/linux/module.h | 6 ++---- kernel/kallsyms.c | 5 ++--- kernel/kallsyms_selftest.c | 6 +++--- kernel/livepatch/core.c | 3 +-- kernel/module/kallsyms.c | 5 ++--- kernel/trace/ftrace.c | 3 +-- 7 files changed, 14 insertions(+), 21 deletions(-) diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h index 0065209cc00424b..fe3c9993b5bfe47 100644 --- a/include/linux/kallsyms.h +++ b/include/linux/kallsyms.h @@ -67,8 +67,7 @@ static inline void *dereference_symbol_descriptor(void *ptr) #ifdef CONFIG_KALLSYMS unsigned long kallsyms_sym_address(int idx); -int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, - unsigned long), +int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long), void *data); int kallsyms_on_each_match_symbol(int (*fn)(void *, unsigned long), const char *name, void *data); @@ -166,8 +165,8 @@ static inline bool kallsyms_show_value(const struct cred *cred) return false; } -static inline int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, - unsigned long), void *data) +static inline int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long), + void *data) { return -EOPNOTSUPP; } diff --git a/include/linux/module.h b/include/linux/module.h index 4435ad9439abba6..1de304e0b09c7f9 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -888,13 +888,11 @@ static inline bool module_sig_ok(struct module *module) #if defined(CONFIG_MODULES) && defined(CONFIG_KALLSYMS) int module_kallsyms_on_each_symbol(const char *modname, - int (*fn)(void *, const char *, - struct module *, unsigned long), + int (*fn)(void *, const char *, unsigned long), void *data); #else static inline int module_kallsyms_on_each_symbol(const char *modname, - int (*fn)(void *, const char *, - struct module *, unsigned long), + int (*fn)(void *, const char *, unsigned long), void *data) { return -EOPNOTSUPP; diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 83f499182c9aa31..77747391f49b66c 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -288,8 +288,7 @@ unsigned long kallsyms_lookup_name(const char *name) * Iterate over all symbols in vmlinux. For symbols from modules use * module_kallsyms_on_each_symbol instead. */ -int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, - unsigned long), +int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long), void *data) { char namebuf[KSYM_NAME_LEN]; @@ -299,7 +298,7 @@ int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, for (i = 0, off = 0; i < kallsyms_num_syms; i++) { off = kallsyms_expand_symbol(off, namebuf, ARRAY_SIZE(namebuf)); - ret = fn(data, namebuf, NULL, kallsyms_sym_address(i)); + ret = fn(data, namebuf, kallsyms_sym_address(i)); if (ret != 0) return ret; cond_resched(); diff --git a/kernel/kallsyms_selftest.c b/kernel/kallsyms_selftest.c index bfbc12da33267f8..a2e3745d15c471f 100644 --- a/kernel/kallsyms_selftest.c +++ b/kernel/kallsyms_selftest.c @@ -95,7 +95,7 @@ static struct test_item test_items[] = { static char stub_name[KSYM_NAME_LEN]; -static int stat_symbol_len(void *data, const char *name, struct module *mod, unsigned long addr) +static int stat_symbol_len(void *data, const char *name, unsigned long addr) { *(u32 *)data += strlen(name); @@ -154,7 +154,7 @@ static void test_kallsyms_compression_ratio(void) pr_info(" ---------------------------------------------------------\n"); } -static int lookup_name(void *data, const char *name, struct module *mod, unsigned long addr) +static int lookup_name(void *data, const char *name, unsigned long addr) { u64 t0, t1, t; struct test_stat *stat = (struct test_stat *)data; @@ -207,7 +207,7 @@ static bool match_cleanup_name(const char *s, const char *name) return !strncmp(s, name, len); } -static int find_symbol(void *data, const char *name, struct module *mod, unsigned long addr) +static int find_symbol(void *data, const char *name, unsigned long addr) { struct test_stat *stat = (struct test_stat *)data; diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c index 4bd2d5e10f20a1c..1de2c40cc37841a 100644 --- a/kernel/livepatch/core.c +++ b/kernel/livepatch/core.c @@ -142,8 +142,7 @@ static int klp_match_callback(void *data, unsigned long addr) return 0; } -static int klp_find_callback(void *data, const char *name, - struct module *mod, unsigned long addr) +static int klp_find_callback(void *data, const char *name, unsigned long addr) { struct klp_find_arg *args = data; diff --git a/kernel/module/kallsyms.c b/kernel/module/kallsyms.c index ab2376a1be88e7e..c4fe856e5052ff7 100644 --- a/kernel/module/kallsyms.c +++ b/kernel/module/kallsyms.c @@ -495,8 +495,7 @@ unsigned long module_kallsyms_lookup_name(const char *name) } int module_kallsyms_on_each_symbol(const char *modname, - int (*fn)(void *, const char *, - struct module *, unsigned long), + int (*fn)(void *, const char *, unsigned long), void *data) { struct module *mod; @@ -525,7 +524,7 @@ int module_kallsyms_on_each_symbol(const char *modname, continue; ret = fn(data, kallsyms_symbol_name(kallsyms, i), - mod, kallsyms_symbol_value(sym)); + kallsyms_symbol_value(sym)); if (ret != 0) goto out; } diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 29baa97d0d53428..76caca8f496aaed 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -8391,8 +8391,7 @@ struct kallsyms_data { * and returns 1 in case we resolved all the requested symbols, * 0 otherwise. */ -static int kallsyms_callback(void *data, const char *name, - struct module *mod, unsigned long addr) +static int kallsyms_callback(void *data, const char *name, unsigned long addr) { struct kallsyms_data *args = data; const char **sym;