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Commit 729043e8 authored by Anton Vorontsov's avatar Anton Vorontsov Committed by Greg Kroah-Hartman
Browse files

kdb: Turn KGDB_KDB=n stubs into static inlines 



This makes the stubs actually usable, since e.g. 'foo = kdb_register();'
leads to build errors in !KGDB_KDB case. Plus, with static inlines we
do type checking.

Signed-off-by: default avatarAnton Vorontsov <anton.vorontsov@linaro.org>
Acked-by: default avatarJason Wessel <jason.wessel@windriver.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ad394f66

include/linux/kdb.h

+16 −13
Original line number Diff line number Diff line
@@ -13,6 +13,14 @@ 
 * Copyright (C) 2009 Jason Wessel <jason.wessel@windriver.com>

 */



typedef enum {

	KDB_REPEAT_NONE = 0,	/* Do not repeat this command */

	KDB_REPEAT_NO_ARGS,	/* Repeat the command without arguments */

	KDB_REPEAT_WITH_ARGS,	/* Repeat the command including its arguments */

} kdb_repeat_t;



typedef int (*kdb_func_t)(int, const char **);



#ifdef	CONFIG_KGDB_KDB

#include <linux/init.h>

#include <linux/sched.h>
@@ -32,14 +40,6 @@ extern atomic_t kdb_event; 


#define KDB_MAXARGS    16 /* Maximum number of arguments to a function  */



typedef enum {

	KDB_REPEAT_NONE = 0,	/* Do not repeat this command */

	KDB_REPEAT_NO_ARGS,	/* Repeat the command without arguments */

	KDB_REPEAT_WITH_ARGS,	/* Repeat the command including its arguments */

} kdb_repeat_t;



typedef int (*kdb_func_t)(int, const char **);



/* KDB return codes from a command or internal kdb function */

#define KDB_NOTFOUND	(-1)

#define KDB_ARGCOUNT	(-2)
@@ -149,11 +149,14 @@ extern int kdb_register_repeat(char *, kdb_func_t, char *, char *, 
			       short, kdb_repeat_t);

extern int kdb_unregister(char *);

#else /* ! CONFIG_KGDB_KDB */

#define kdb_printf(...)

#define kdb_init(x)

#define kdb_register(...)

#define kdb_register_repeat(...)

#define kdb_uregister(x)

static inline __printf(1, 2) int kdb_printf(const char *fmt, ...) { return 0; }

static inline void kdb_init(int level) {}

static inline int kdb_register(char *cmd, kdb_func_t func, char *usage,

			       char *help, short minlen) { return 0; }

static inline int kdb_register_repeat(char *cmd, kdb_func_t func, char *usage,

				      char *help, short minlen,

				      kdb_repeat_t repeat) { return 0; }

static inline int kdb_unregister(char *cmd) { return 0; }

#endif	/* CONFIG_KGDB_KDB */

enum {

	KDB_NOT_INITIALIZED,