No functional change.
This patch migrates the kdb 'lsmod' command support out of main
kdb code into its own file under kernel/module. In addition to
the above, a minor style warning i.e. missing a blank line after
declarations, was resolved too. The new file was added to
MAINTAINERS.
Signed-off-by: Aaron Tomlin <atomlin@xxxxxxxxxx>
---
MAINTAINERS | 1 +
include/linux/kdb.h | 1 +
kernel/debug/kdb/kdb_main.c | 49 ---------------------------------
kernel/module/Makefile | 1 +
kernel/module/kdb.c | 55 +++++++++++++++++++++++++++++++++++++
kernel/module/main.c | 4 ---
6 files changed, 58 insertions(+), 53 deletions(-)
create mode 100644 kernel/module/kdb.c
diff --git a/MAINTAINERS b/MAINTAINERS
index 195cf1ac2ee8..40c717f93c1a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10689,6 +10689,7 @@ F: drivers/tty/serial/kgdboc.c
F: include/linux/kdb.h
F: include/linux/kgdb.h
F: kernel/debug/
+F: kernel/module/kdb.c
KHADAS MCU MFD DRIVER
M: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
diff --git a/include/linux/kdb.h b/include/linux/kdb.h
index ea0f5e580fac..07dfb6a20a1c 100644
--- a/include/linux/kdb.h
+++ b/include/linux/kdb.h
@@ -222,5 +222,6 @@ enum {
extern int kdbgetintenv(const char *, int *);
extern int kdb_set(int, const char **);
+int kdb_lsmod(int argc, const char **argv);
#endif /* !_KDB_H */
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 0852a537dad4..f3a30cd5037f 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -26,7 +26,6 @@
#include <linux/utsname.h>
#include <linux/vmalloc.h>
#include <linux/atomic.h>
-#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/mm.h>
#include <linux/init.h>
@@ -2004,54 +2003,6 @@ static int kdb_ef(int argc, const char **argv)
return 0;
}
-#if defined(CONFIG_MODULES)
-/*
- * kdb_lsmod - This function implements the 'lsmod' command. Lists
- * currently loaded kernel modules.
- * Mostly taken from userland lsmod.
- */
-static int kdb_lsmod(int argc, const char **argv)
-{
- struct module *mod;
-
- if (argc != 0)
- return KDB_ARGCOUNT;
-
- kdb_printf("Module Size modstruct Used by\n");
- list_for_each_entry(mod, kdb_modules, list) {
- if (mod->state == MODULE_STATE_UNFORMED)
- continue;
-
- kdb_printf("%-20s%8u 0x%px ", mod->name,
- mod->core_layout.size, (void *)mod);
-#ifdef CONFIG_MODULE_UNLOAD
- kdb_printf("%4d ", module_refcount(mod));
-#endif
- if (mod->state == MODULE_STATE_GOING)
- kdb_printf(" (Unloading)");
- else if (mod->state == MODULE_STATE_COMING)
- kdb_printf(" (Loading)");
- else
- kdb_printf(" (Live)");
- kdb_printf(" 0x%px", mod->core_layout.base);
-
-#ifdef CONFIG_MODULE_UNLOAD
- {
- struct module_use *use;
- kdb_printf(" [ ");
- list_for_each_entry(use, &mod->source_list,
- source_list)
- kdb_printf("%s ", use->target->name);
- kdb_printf("]\n");
- }
-#endif
- }
-
- return 0;
-}
-
-#endif /* CONFIG_MODULES */
-
/*
* kdb_env - This function implements the 'env' command. Display the
* current environment variables.
diff --git a/kernel/module/Makefile b/kernel/module/Makefile
index cf8dcdc6b55f..88f5cdcdb067 100644
--- a/kernel/module/Makefile
+++ b/kernel/module/Makefile
@@ -17,3 +17,4 @@ obj-$(CONFIG_DEBUG_KMEMLEAK) += debug_kmemleak.o
obj-$(CONFIG_KALLSYMS) += kallsyms.o
obj-$(CONFIG_PROC_FS) += procfs.o
obj-$(CONFIG_SYSFS) += sysfs.o
+obj-$(CONFIG_KGDB_KDB) += kdb.o
diff --git a/kernel/module/kdb.c b/kernel/module/kdb.c
new file mode 100644
index 000000000000..60baeebea3e0
--- /dev/null
+++ b/kernel/module/kdb.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Module kdb support
+ *
+ * Copyright (C) 2010 Jason Wessel
+ */
+
+#include <linux/module.h>
+#include <linux/kdb.h>
+#include "internal.h"
+
+/*
+ * kdb_lsmod - This function implements the 'lsmod' command. Lists
+ * currently loaded kernel modules.
+ * Mostly taken from userland lsmod.
+ */
+int kdb_lsmod(int argc, const char **argv)
+{
+ struct module *mod;
+
+ if (argc != 0)
+ return KDB_ARGCOUNT;
+
+ kdb_printf("Module Size modstruct Used by\n");
+ list_for_each_entry(mod, &modules, list) {
+ if (mod->state == MODULE_STATE_UNFORMED)
+ continue;
+
+ kdb_printf("%-20s%8u 0x%px ", mod->name,
+ mod->core_layout.size, (void *)mod);
+#ifdef CONFIG_MODULE_UNLOAD
+ kdb_printf("%4d ", module_refcount(mod));
+#endif
+ if (mod->state == MODULE_STATE_GOING)
+ kdb_printf(" (Unloading)");
+ else if (mod->state == MODULE_STATE_COMING)
+ kdb_printf(" (Loading)");
+ else
+ kdb_printf(" (Live)");
+ kdb_printf(" 0x%px", mod->core_layout.base);
+
+#ifdef CONFIG_MODULE_UNLOAD
+ {
+ struct module_use *use;
+ kdb_printf(" [ ");
+ list_for_each_entry(use, &mod->source_list,
+ source_list)
+ kdb_printf("%s ", use->target->name);
+ kdb_printf("]\n");
+ }
+#endif
+ }
+
+ return 0;
+}
diff --git a/kernel/module/main.c b/kernel/module/main.c
index b8a59b5c3e3a..bcc4f7a82649 100644
--- a/kernel/module/main.c
+++ b/kernel/module/main.c
@@ -108,10 +108,6 @@ static void mod_update_bounds(struct module *mod)
__mod_update_bounds(mod->init_layout.base, mod->init_layout.size);
}
-#ifdef CONFIG_KGDB_KDB
-struct list_head *kdb_modules = &modules; /* kdb needs the list of modules */
-#endif /* CONFIG_KGDB_KDB */
-
static void module_assert_mutex_or_preempt(void)
{
#ifdef CONFIG_LOCKDEP
--
2.34.1
