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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LINUX_PANIC_H#define _LINUX_PANIC_H
#include <linux/compiler_attributes.h>#include <linux/stdarg.h>#include <linux/types.h>
struct pt_regs;
extern long (*panic_blink)(int state);__printf(1, 2)void panic(const char *fmt, ...) __noreturn __cold;__printf(1, 0)void vpanic(const char *fmt, va_list args) __noreturn __cold;void nmi_panic(struct pt_regs *regs, const char *msg);void check_panic_on_warn(const char *origin);extern void oops_enter(void);extern void oops_exit(void);extern bool oops_may_print(void);
extern bool panic_triggering_all_cpu_backtrace;extern int panic_timeout;extern unsigned long panic_print;extern int panic_on_oops;extern int panic_on_warn;
extern unsigned long panic_on_taint;extern bool panic_on_taint_nousertaint;
extern int sysctl_panic_on_stackoverflow;
extern bool crash_kexec_post_notifiers;
extern void __stack_chk_fail(void);void abort(void);
/* * panic_cpu is used for synchronizing panic() and crash_kexec() execution. It * holds a CPU number which is executing panic() currently. A value of * PANIC_CPU_INVALID means no CPU has entered panic() or crash_kexec(). */extern atomic_t panic_cpu;
/* * panic_redirect_cpu is used when panic is redirected to a specific CPU via * the panic_force_cpu= boot parameter. It holds the CPU number that originally * triggered the panic before redirection. A value of PANIC_CPU_INVALID means * no redirection has occurred. */extern atomic_t panic_redirect_cpu;#define PANIC_CPU_INVALID -1
bool panic_try_start(void);void panic_reset(void);bool panic_in_progress(void);bool panic_on_this_cpu(void);bool panic_on_other_cpu(void);
/* * Only to be used by arch init code. If the user over-wrote the default * CONFIG_PANIC_TIMEOUT, honor it. */static inline void set_arch_panic_timeout(int timeout, int arch_default_timeout){ if (panic_timeout == arch_default_timeout) panic_timeout = timeout;}
/* This cannot be an enum because some may be used in assembly source. */#define TAINT_PROPRIETARY_MODULE 0#define TAINT_FORCED_MODULE 1#define TAINT_CPU_OUT_OF_SPEC 2#define TAINT_FORCED_RMMOD 3#define TAINT_MACHINE_CHECK 4#define TAINT_BAD_PAGE 5#define TAINT_USER 6#define TAINT_DIE 7#define TAINT_OVERRIDDEN_ACPI_TABLE 8#define TAINT_WARN 9#define TAINT_CRAP 10#define TAINT_FIRMWARE_WORKAROUND 11#define TAINT_OOT_MODULE 12#define TAINT_UNSIGNED_MODULE 13#define TAINT_SOFTLOCKUP 14#define TAINT_LIVEPATCH 15#define TAINT_AUX 16#define TAINT_RANDSTRUCT 17#define TAINT_TEST 18#define TAINT_FWCTL 19#define TAINT_FLAGS_COUNT 20#define TAINT_FLAGS_MAX ((1UL << TAINT_FLAGS_COUNT) - 1)
struct taint_flag { char c_true; /* character printed when tainted */ char c_false; /* character printed when not tainted */ const char *desc; /* verbose description of the set taint flag */};
extern const struct taint_flag taint_flags[TAINT_FLAGS_COUNT];
enum lockdep_ok { LOCKDEP_STILL_OK, LOCKDEP_NOW_UNRELIABLE,};
extern const char *print_tainted(void);extern const char *print_tainted_verbose(void);extern void add_taint(unsigned flag, enum lockdep_ok);extern int test_taint(unsigned flag);extern unsigned long get_taint(void);
#endif /* _LINUX_PANIC_H */