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kprobes: unify kprobes_exceptions_nofify() prototypes

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Most architectures that support kprobes declare this function in their
own asm/kprobes.h header and provide an override, but some are missing
the prototype, which causes a warning for the __weak stub implementation:

kernel/kprobes.c:1865:12: error: no previous prototype for 'kprobe_exceptions_notify' [-Werror=missing-prototypes]
 1865 | int __weak kprobe_exceptions_notify(struct notifier_block *self,

Move the prototype into linux/kprobes.h so it is visible to all
the definitions.

Link: https://lore.kernel.org/all/20231108125843.3806765-4-arnd@kernel.org/

Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
This commit is contained in:
Arnd Bergmann 2023-11-10 19:59:05 +09:00 committed by Masami Hiramatsu (Google)
parent 3afe733729
commit abc28463c8
10 changed files with 4 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/arc/include/asm/kprobes.h
View File

@ -32,9 +32,6 @@ struct kprobe;
void arch_remove_kprobe(struct kprobe *p);
int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
struct prev_kprobe {
struct kprobe *kp;
unsigned long status;

2
arch/arm/include/asm/kprobes.h
View File

@ -40,8 +40,6 @@ struct kprobe_ctlblk {
void arch_remove_kprobe(struct kprobe *);
int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr);
int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
/* optinsn template addresses */
extern __visible kprobe_opcode_t optprobe_template_entry[];

2
arch/arm64/include/asm/kprobes.h
View File

@ -37,8 +37,6 @@ struct kprobe_ctlblk {
void arch_remove_kprobe(struct kprobe *);
int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr);
int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
void __kretprobe_trampoline(void);
void __kprobes *trampoline_probe_handler(struct pt_regs *regs);

2
arch/mips/include/asm/kprobes.h
View File

@ -71,8 +71,6 @@ struct kprobe_ctlblk {
struct prev_kprobe prev_kprobe;
};
extern int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
#endif /* CONFIG_KPROBES */
#endif /* _ASM_KPROBES_H */

2
arch/powerpc/include/asm/kprobes.h
View File

@ -84,8 +84,6 @@ struct arch_optimized_insn {
kprobe_opcode_t *insn;
};
extern int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
extern int kprobe_handler(struct pt_regs *regs);
extern int kprobe_post_handler(struct pt_regs *regs);

2
arch/s390/include/asm/kprobes.h
View File

@ -73,8 +73,6 @@ struct kprobe_ctlblk {
void arch_remove_kprobe(struct kprobe *p);
int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
#define flush_insn_slot(p) do { } while (0)

2
arch/sh/include/asm/kprobes.h
View File

@ -46,8 +46,6 @@ struct kprobe_ctlblk {
};
extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
extern int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
extern int kprobe_handle_illslot(unsigned long pc);
#else

2
arch/sparc/include/asm/kprobes.h
View File

@ -47,8 +47,6 @@ struct kprobe_ctlblk {
struct prev_kprobe prev_kprobe;
};
int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
asmlinkage void __kprobes kprobe_trap(unsigned long trap_level,
struct pt_regs *regs);

2
arch/x86/include/asm/kprobes.h
View File

@ -113,8 +113,6 @@ struct kprobe_ctlblk {
};
extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
extern int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
extern int kprobe_int3_handler(struct pt_regs *regs);
#else

4
include/linux/kprobes.h
View File

@ -445,6 +445,10 @@ int kprobe_get_kallsym(unsigned int symnum, unsigned long *value, char *type,
int arch_kprobe_get_kallsym(unsigned int *symnum, unsigned long *value,
char *type, char *sym);
int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
#else /* !CONFIG_KPROBES: */
static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr)