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bug.h: move runtime BUG/WARN macros into <linux/bug.h>

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Collect runtime BUG/WARN into a self-contained header <linux/bug.h>
to make these macros easier to use.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2017-09-16 14:10:45 +09:00 committed by Tom Rini
parent 059a48096c
commit 0a70fb4c1c
4 changed files with 29 additions and 24 deletions
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1
drivers/usb/dwc3/linux-compat.h
View file

@ -14,7 +14,6 @@
#define WARN(val, format, arg...) debug(format, ##arg)
#define dev_WARN(dev, format, arg...) debug(format, ##arg)
#define WARN_ON_ONCE(val) debug("Error %d\n", val)
static inline size_t strlcat(char *dest, const char *src, size_t n)
{

9
include/common.h
View file

@ -23,6 +23,7 @@ typedef volatile unsigned char vu_char;
#include <time.h>
#include <asm-offsets.h>
#include <linux/bitops.h>
#include <linux/bug.h>
#include <linux/delay.h>
#include <linux/types.h>
#include <linux/printk.h>
@ -90,14 +91,6 @@ void __assert_fail(const char *assertion, const char *file, unsigned line,
({ if (!(x) && _DEBUG) \
__assert_fail(#x, __FILE__, __LINE__, __func__); })
#ifndef BUG
#define BUG() do { \
printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
panic("BUG!"); \
} while (0)
#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
#endif /* BUG */
typedef void (interrupt_handler_t)(void *);
#include <asm/u-boot.h> /* boot information for Linux kernel */

28
include/linux/bug.h
View file

@ -1,6 +1,34 @@
#ifndef _LINUX_BUG_H
#define _LINUX_BUG_H
#include <vsprintf.h> /* for panic() */
#include <linux/build_bug.h>
#include <linux/compiler.h>
#include <linux/printk.h>
#define BUG() do { \
printk("BUG at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
panic("BUG!"); \
} while (0)
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
#define WARN_ON(condition) ({ \
int __ret_warn_on = !!(condition); \
if (unlikely(__ret_warn_on)) \
printk("WARNING at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
unlikely(__ret_warn_on); \
})
#define WARN_ON_ONCE(condition) ({ \
static bool __warned; \
int __ret_warn_once = !!(condition); \
\
if (unlikely(__ret_warn_once && !__warned)) { \
__warned = true; \
WARN_ON(1); \
} \
unlikely(__ret_warn_once); \
})
#endif /* _LINUX_BUG_H */

15
include/linux/compat.h
View file

@ -87,21 +87,6 @@ static inline void kmem_cache_destroy(struct kmem_cache *cachep)
#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
#ifndef BUG
#define BUG() do { \
printf("U-Boot BUG at %s:%d!\n", __FILE__, __LINE__); \
} while (0)
#define BUG_ON(condition) do { if (condition) BUG(); } while(0)
#endif /* BUG */
#define WARN_ON(condition) ({ \
int __ret_warn_on = !!(condition); \
if (unlikely(__ret_warn_on)) \
printf("WARNING in %s line %d\n", __FILE__, __LINE__); \
unlikely(__ret_warn_on); \
})
#define PAGE_SIZE 4096
/* drivers/char/random.c */