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93 lines
2.6 KiB
93 lines
2.6 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _LINUX_PANIC_H |
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#define _LINUX_PANIC_H |
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#include <linux/compiler_attributes.h> |
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#include <linux/types.h> |
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struct pt_regs; |
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extern long (*panic_blink)(int state); |
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__printf(1, 2) |
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void panic(const char *fmt, ...) __noreturn __cold; |
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void nmi_panic(struct pt_regs *regs, const char *msg); |
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extern void oops_enter(void); |
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extern void oops_exit(void); |
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extern bool oops_may_print(void); |
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extern int panic_timeout; |
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extern unsigned long panic_print; |
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extern int panic_on_oops; |
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extern int panic_on_unrecovered_nmi; |
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extern int panic_on_io_nmi; |
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extern int panic_on_warn; |
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extern unsigned long panic_on_taint; |
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extern bool panic_on_taint_nousertaint; |
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extern int sysctl_panic_on_rcu_stall; |
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extern int sysctl_max_rcu_stall_to_panic; |
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extern int sysctl_panic_on_stackoverflow; |
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extern bool crash_kexec_post_notifiers; |
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/* |
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* panic_cpu is used for synchronizing panic() and crash_kexec() execution. It |
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* holds a CPU number which is executing panic() currently. A value of |
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* PANIC_CPU_INVALID means no CPU has entered panic() or crash_kexec(). |
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*/ |
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extern atomic_t panic_cpu; |
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#define PANIC_CPU_INVALID -1 |
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/* |
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* Only to be used by arch init code. If the user over-wrote the default |
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* CONFIG_PANIC_TIMEOUT, honor it. |
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*/ |
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static inline void set_arch_panic_timeout(int timeout, int arch_default_timeout) |
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{ |
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if (panic_timeout == arch_default_timeout) |
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panic_timeout = timeout; |
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} |
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/* This cannot be an enum because some may be used in assembly source. */ |
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#define TAINT_PROPRIETARY_MODULE 0 |
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#define TAINT_FORCED_MODULE 1 |
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#define TAINT_CPU_OUT_OF_SPEC 2 |
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#define TAINT_FORCED_RMMOD 3 |
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#define TAINT_MACHINE_CHECK 4 |
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#define TAINT_BAD_PAGE 5 |
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#define TAINT_USER 6 |
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#define TAINT_DIE 7 |
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#define TAINT_OVERRIDDEN_ACPI_TABLE 8 |
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#define TAINT_WARN 9 |
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#define TAINT_CRAP 10 |
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#define TAINT_FIRMWARE_WORKAROUND 11 |
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#define TAINT_OOT_MODULE 12 |
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#define TAINT_UNSIGNED_MODULE 13 |
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#define TAINT_SOFTLOCKUP 14 |
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#define TAINT_LIVEPATCH 15 |
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#define TAINT_AUX 16 |
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#define TAINT_RANDSTRUCT 17 |
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#define TAINT_TEST 18 |
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#define TAINT_FLAGS_COUNT 19 |
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#define TAINT_FLAGS_MAX ((1UL << TAINT_FLAGS_COUNT) - 1) |
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struct taint_flag { |
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char c_true; /* character printed when tainted */ |
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char c_false; /* character printed when not tainted */ |
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bool module; /* also show as a per-module taint flag */ |
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}; |
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extern const struct taint_flag taint_flags[TAINT_FLAGS_COUNT]; |
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enum lockdep_ok { |
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LOCKDEP_STILL_OK, |
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LOCKDEP_NOW_UNRELIABLE, |
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}; |
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extern const char *print_tainted(void); |
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extern void add_taint(unsigned flag, enum lockdep_ok); |
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extern int test_taint(unsigned flag); |
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extern unsigned long get_taint(void); |
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#endif /* _LINUX_PANIC_H */
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