Contributors: 29
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Peter Zijlstra |
130 |
22.93% |
10 |
16.67% |
| Ben Hutchings |
77 |
13.58% |
1 |
1.67% |
| Arjan van de Ven |
71 |
12.52% |
3 |
5.00% |
| Ingo Molnar |
56 |
9.88% |
5 |
8.33% |
| Matt Mackall |
43 |
7.58% |
2 |
3.33% |
| Jeremy Fitzhardinge |
35 |
6.17% |
1 |
1.67% |
| Linus Torvalds |
28 |
4.94% |
4 |
6.67% |
| Kees Cook |
25 |
4.41% |
6 |
10.00% |
| Josh Poimboeuf |
16 |
2.82% |
1 |
1.67% |
| Josh Triplett |
15 |
2.65% |
3 |
5.00% |
| Olof Johansson |
13 |
2.29% |
1 |
1.67% |
| tannerlove |
9 |
1.59% |
1 |
1.67% |
| Jeff Dike |
8 |
1.41% |
1 |
1.67% |
| Linus Torvalds (pre-git) |
7 |
1.23% |
2 |
3.33% |
| Joe Perches |
6 |
1.06% |
1 |
1.67% |
| Paul Mundt |
5 |
0.88% |
2 |
3.33% |
| Dan Rosenberg |
3 |
0.53% |
1 |
1.67% |
| Andrew Morton |
3 |
0.53% |
1 |
1.67% |
| Ian Abbott |
3 |
0.53% |
1 |
1.67% |
| Thomas Gleixner |
3 |
0.53% |
2 |
3.33% |
| Arnd Bergmann |
2 |
0.35% |
2 |
3.33% |
| Steven Rostedt |
2 |
0.35% |
2 |
3.33% |
| Andy Shevchenko |
1 |
0.18% |
1 |
1.67% |
| Greg Kroah-Hartman |
1 |
0.18% |
1 |
1.67% |
| Adrian Hunter |
1 |
0.18% |
1 |
1.67% |
| Denis Efremov |
1 |
0.18% |
1 |
1.67% |
| Thorsten Blum |
1 |
0.18% |
1 |
1.67% |
| Paul E. McKenney |
1 |
0.18% |
1 |
1.67% |
| David Brownell |
1 |
0.18% |
1 |
1.67% |
| Total |
567 |
|
60 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_GENERIC_BUG_H
#define _ASM_GENERIC_BUG_H
#include <linux/compiler.h>
#include <linux/instrumentation.h>
#include <linux/once_lite.h>
#define CUT_HERE "------------[ cut here ]------------\n"
#ifdef CONFIG_GENERIC_BUG
#define BUGFLAG_WARNING (1 << 0)
#define BUGFLAG_ONCE (1 << 1)
#define BUGFLAG_DONE (1 << 2)
#define BUGFLAG_NO_CUT_HERE (1 << 3) /* CUT_HERE already sent */
#define BUGFLAG_ARGS (1 << 4)
#define BUGFLAG_TAINT(taint) ((taint) << 8)
#define BUG_GET_TAINT(bug) ((bug)->flags >> 8)
#endif
#ifndef WARN_CONDITION_STR
#ifdef CONFIG_DEBUG_BUGVERBOSE_DETAILED
# define WARN_CONDITION_STR(cond_str) "[" cond_str "] "
#else
# define WARN_CONDITION_STR(cond_str)
#endif
#endif /* WARN_CONDITION_STR */
#ifndef __ASSEMBLY__
#include <linux/panic.h>
#include <linux/printk.h>
struct warn_args;
struct pt_regs;
void __warn(const char *file, int line, void *caller, unsigned taint,
struct pt_regs *regs, struct warn_args *args);
#ifdef CONFIG_BUG
#ifndef CONFIG_GENERIC_BUG_RELATIVE_POINTERS
#define BUG_REL(type, name) type name
#else
#define BUG_REL(type, name) signed int name##_disp
#endif
#ifdef CONFIG_GENERIC_BUG
struct bug_entry {
BUG_REL(unsigned long, bug_addr);
#ifdef HAVE_ARCH_BUG_FORMAT
BUG_REL(const char *, format);
#endif
#ifdef CONFIG_DEBUG_BUGVERBOSE
BUG_REL(const char *, file);
unsigned short line;
#endif
unsigned short flags;
};
#endif /* CONFIG_GENERIC_BUG */
/*
* Don't use BUG() or BUG_ON() unless there's really no way out; one
* example might be detecting data structure corruption in the middle
* of an operation that can't be backed out of. If the (sub)system
* can somehow continue operating, perhaps with reduced functionality,
* it's probably not BUG-worthy.
*
* If you're tempted to BUG(), think again: is completely giving up
* really the *only* solution? There are usually better options, where
* users don't need to reboot ASAP and can mostly shut down cleanly.
*/
#ifndef HAVE_ARCH_BUG
#define BUG() do { \
printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
barrier_before_unreachable(); \
panic("BUG!"); \
} while (0)
#endif
#ifndef HAVE_ARCH_BUG_ON
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
#endif
/*
* WARN(), WARN_ON(), WARN_ON_ONCE(), and so on can be used to report
* significant kernel issues that need prompt attention if they should ever
* appear at runtime.
*
* Do not use these macros when checking for invalid external inputs
* (e.g. invalid system call arguments, or invalid data coming from
* network/devices), and on transient conditions like ENOMEM or EAGAIN.
* These macros should be used for recoverable kernel issues only.
* For invalid external inputs, transient conditions, etc use
* pr_err[_once/_ratelimited]() followed by dump_stack(), if necessary.
* Do not include "BUG"/"WARNING" in format strings manually to make these
* conditions distinguishable from kernel issues.
*
* Use the versions with printk format strings to provide better diagnostics.
*/
extern __printf(4, 5)
void warn_slowpath_fmt(const char *file, const int line, unsigned taint,
const char *fmt, ...);
extern __printf(1, 2) void __warn_printk(const char *fmt, ...);
#ifdef __WARN_FLAGS
#define __WARN() __WARN_FLAGS("", BUGFLAG_TAINT(TAINT_WARN))
#ifndef WARN_ON
#define WARN_ON(condition) ({ \
int __ret_warn_on = !!(condition); \
if (unlikely(__ret_warn_on)) \
__WARN_FLAGS(#condition, \
BUGFLAG_TAINT(TAINT_WARN)); \
unlikely(__ret_warn_on); \
})
#endif
#ifndef WARN_ON_ONCE
#define WARN_ON_ONCE(condition) ({ \
int __ret_warn_on = !!(condition); \
if (unlikely(__ret_warn_on)) \
__WARN_FLAGS(#condition, \
BUGFLAG_ONCE | \
BUGFLAG_TAINT(TAINT_WARN)); \
unlikely(__ret_warn_on); \
})
#endif
#endif /* __WARN_FLAGS */
#if defined(__WARN_FLAGS) && !defined(__WARN_printf)
#define __WARN_printf(taint, arg...) do { \
instrumentation_begin(); \
__warn_printk(arg); \
__WARN_FLAGS("", BUGFLAG_NO_CUT_HERE | BUGFLAG_TAINT(taint));\
instrumentation_end(); \
} while (0)
#endif
#ifndef __WARN_printf
#define __WARN_printf(taint, arg...) do { \
instrumentation_begin(); \
warn_slowpath_fmt(__FILE__, __LINE__, taint, arg); \
instrumentation_end(); \
} while (0)
#endif
#ifndef __WARN
#define __WARN() __WARN_printf(TAINT_WARN, NULL)
#endif
/* used internally by panic.c */
#ifndef WARN_ON
#define WARN_ON(condition) ({ \
int __ret_warn_on = !!(condition); \
if (unlikely(__ret_warn_on)) \
__WARN(); \
unlikely(__ret_warn_on); \
})
#endif
#ifndef WARN
#define WARN(condition, format...) ({ \
int __ret_warn_on = !!(condition); \
if (unlikely(__ret_warn_on)) \
__WARN_printf(TAINT_WARN, format); \
unlikely(__ret_warn_on); \
})
#endif
#define WARN_TAINT(condition, taint, format...) ({ \
int __ret_warn_on = !!(condition); \
if (unlikely(__ret_warn_on)) \
__WARN_printf(taint, format); \
unlikely(__ret_warn_on); \
})
#ifndef WARN_ON_ONCE
#define WARN_ON_ONCE(condition) \
DO_ONCE_LITE_IF(condition, WARN_ON, 1)
#endif
#ifndef WARN_ONCE
#define WARN_ONCE(condition, format...) \
DO_ONCE_LITE_IF(condition, WARN, 1, format)
#endif
#define WARN_TAINT_ONCE(condition, taint, format...) \
DO_ONCE_LITE_IF(condition, WARN_TAINT, 1, taint, format)
#else /* !CONFIG_BUG */
#ifndef HAVE_ARCH_BUG
#define BUG() do { \
do {} while (1); \
unreachable(); \
} while (0)
#endif
#ifndef HAVE_ARCH_BUG_ON
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
#endif
#ifndef HAVE_ARCH_WARN_ON
#define WARN_ON(condition) ({ \
int __ret_warn_on = !!(condition); \
unlikely(__ret_warn_on); \
})
#endif
#ifndef WARN
#define WARN(condition, format...) ({ \
int __ret_warn_on = !!(condition); \
no_printk(format); \
unlikely(__ret_warn_on); \
})
#endif
#define WARN_ON_ONCE(condition) WARN_ON(condition)
#define WARN_ONCE(condition, format...) WARN(condition, format)
#define WARN_TAINT(condition, taint, format...) WARN(condition, format)
#define WARN_TAINT_ONCE(condition, taint, format...) WARN(condition, format)
#endif
/*
* WARN_ON_SMP() is for cases that the warning is either
* meaningless for !SMP or may even cause failures.
* It can also be used with values that are only defined
* on SMP:
*
* struct foo {
* [...]
* #ifdef CONFIG_SMP
* int bar;
* #endif
* };
*
* void func(struct foo *zoot)
* {
* WARN_ON_SMP(!zoot->bar);
*
* For CONFIG_SMP, WARN_ON_SMP() should act the same as WARN_ON(),
* and should be a nop and return false for uniprocessor.
*
* if (WARN_ON_SMP(x)) returns true only when CONFIG_SMP is set
* and x is true.
*/
#ifdef CONFIG_SMP
# define WARN_ON_SMP(x) WARN_ON(x)
#else
/*
* Use of ({0;}) because WARN_ON_SMP(x) may be used either as
* a stand alone line statement or as a condition in an if ()
* statement.
* A simple "0" would cause gcc to give a "statement has no effect"
* warning.
*/
# define WARN_ON_SMP(x) ({0;})
#endif
#endif /* __ASSEMBLY__ */
#endif