linux-kernel - [PATCH 1/4] module: add modname being loaded to pr

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Message-Id: <20210506040019.1322778-2-jim.cromie@gmail.com>
Date:   Wed,  5 May 2021 22:00:16 -0600
From:   Jim Cromie <jim.cromie@...il.com>
To:     Jessica Yu <jeyu@...nel.org>, linux-kernel@...r.kernel.org
Cc:     Jim Cromie <jim.cromie@...il.com>
Subject: [PATCH 1/4] module: add modname being loaded to pr_debugs

When enabled, pr_debugs in layout_sections() and move_module() write
~50 messages for each module loaded.  Add module name into the header
lines in that output.

no functional changes

Signed-off-by: Jim Cromie <jim.cromie@...il.com>
---
 kernel/module.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/module.c b/kernel/module.c
index 30479355ab85..af2641b28d73 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2421,7 +2421,7 @@ static void layout_sections(struct module *mod, struct load_info *info)
 	for (i = 0; i < info->hdr->e_shnum; i++)
 		info->sechdrs[i].sh_entsize = ~0UL;
 
-	pr_debug("Core section allocation order:\n");
+	pr_debug("Core section allocation order for %s:\n", mod->name);
 	for (m = 0; m < ARRAY_SIZE(masks); ++m) {
 		for (i = 0; i < info->hdr->e_shnum; ++i) {
 			Elf_Shdr *s = &info->sechdrs[i];
@@ -2454,7 +2454,7 @@ static void layout_sections(struct module *mod, struct load_info *info)
 		}
 	}
 
-	pr_debug("Init section allocation order:\n");
+	pr_debug("Init section allocation order for %s:\n", mod->name);
 	for (m = 0; m < ARRAY_SIZE(masks); ++m) {
 		for (i = 0; i < info->hdr->e_shnum; ++i) {
 			Elf_Shdr *s = &info->sechdrs[i];
@@ -3375,7 +3375,7 @@ static int move_module(struct module *mod, struct load_info *info)
 		mod->init_layout.base = NULL;
 
 	/* Transfer each section which specifies SHF_ALLOC */
-	pr_debug("final section addresses:\n");
+	pr_debug("Final section addresses for %s:\n", mod->name);
 	for (i = 0; i < info->hdr->e_shnum; i++) {
 		void *dest;
 		Elf_Shdr *shdr = &info->sechdrs[i];
-- 
2.30.2