projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 02dfc8d7 NK |
2 | #ifndef _TOOLS_ASM_BUG_H |
| 3 | #define _TOOLS_ASM_BUG_H | |
| b32d133a | 4 | |
| 741a0c59 NK |
5 | #include <linux/compiler.h> |
| 6 | ||
| b32d133a ACM |
7 | #define __WARN_printf(arg...) do { fprintf(stderr, arg); } while (0) |
| 8 | ||
| 9 | #define WARN(condition, format...) ({ \ | |
| 10 | int __ret_warn_on = !!(condition); \ | |
| 11 | if (unlikely(__ret_warn_on)) \ | |
| 12 | __WARN_printf(format); \ | |
| 13 | unlikely(__ret_warn_on); \ | |
| 14 | }) | |
| 15 | ||
| b246a9d2 MW |
16 | #define WARN_ON(condition) ({ \ |
| 17 | int __ret_warn_on = !!(condition); \ | |
| 18 | if (unlikely(__ret_warn_on)) \ | |
| 19 | __WARN_printf("assertion failed at %s:%d\n", \ | |
| 20 | __FILE__, __LINE__); \ | |
| 21 | unlikely(__ret_warn_on); \ | |
| 22 | }) | |
| 23 | ||
| ebb9a9ae MW |
24 | #define WARN_ON_ONCE(condition) ({ \ |
| 25 | static int __warned; \ | |
| 26 | int __ret_warn_once = !!(condition); \ | |
| 27 | \ | |
| 28 | if (unlikely(__ret_warn_once && !__warned)) { \ | |
| 29 | __warned = true; \ | |
| 30 | WARN_ON(1); \ | |
| 31 | } \ | |
| 32 | unlikely(__ret_warn_once); \ | |
| 33 | }) | |
| 34 | ||
| b32d133a ACM |
35 | #define WARN_ONCE(condition, format...) ({ \ |
| 36 | static int __warned; \ | |
| 37 | int __ret_warn_once = !!(condition); \ | |
| 38 | \ | |
| 39 | if (unlikely(__ret_warn_once)) \ | |
| 40 | if (WARN(!__warned, format)) \ | |
| 41 | __warned = 1; \ | |
| 42 | unlikely(__ret_warn_once); \ | |
| 43 | }) | |
| 02dfc8d7 NK |
44 | |
| 45 | #endif /* _TOOLS_ASM_BUG_H */ |