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| author | Christoph Hellwig <hch@lst.de> | 2007-05-04 18:47:46 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-05-04 18:48:24 +0200 |
| commit | 33464e3b57834e161add62b499492cf43e35e54c (patch) | |
| tree | bd78272d5e723fcfd08b2f4d8ce6f7ec7c6c1492 /include/asm-s390 | |
| parent | dc87c3985e9b442c60994308a96f887579addc39 (diff) | |
| download | kernel_samsung_smdk4412-33464e3b57834e161add62b499492cf43e35e54c.zip kernel_samsung_smdk4412-33464e3b57834e161add62b499492cf43e35e54c.tar.gz kernel_samsung_smdk4412-33464e3b57834e161add62b499492cf43e35e54c.tar.bz2 | |
[S390] get rid of kprobes notifier call chain.
And here's a port of the powerpc patch to get rid of the notifier
chain completely to s390. It's ontop of Martins patch as that one
is in mainline already.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'include/asm-s390')
| -rw-r--r-- | include/asm-s390/kdebug.h | 18 | ||||
| -rw-r--r-- | include/asm-s390/kprobes.h | 16 |
2 files changed, 19 insertions, 15 deletions
diff --git a/include/asm-s390/kdebug.h b/include/asm-s390/kdebug.h index 1b50f89..d2d7ad2 100644 --- a/include/asm-s390/kdebug.h +++ b/include/asm-s390/kdebug.h @@ -22,8 +22,21 @@ struct die_args { */ extern int register_die_notifier(struct notifier_block *); extern int unregister_die_notifier(struct notifier_block *); -extern int register_page_fault_notifier(struct notifier_block *); -extern int unregister_page_fault_notifier(struct notifier_block *); + +/* + * These are only here because kprobes.c wants them to implement a + * blatant layering violation. Will hopefully go away soon once all + * architectures are updated. + */ +static inline int register_page_fault_notifier(struct notifier_block *nb) +{ + return 0; +} +static inline int unregister_page_fault_notifier(struct notifier_block *nb) +{ + return 0; +} + extern struct atomic_notifier_head s390die_chain; enum die_val { @@ -39,7 +52,6 @@ enum die_val { DIE_GPF, DIE_CALL, DIE_NMI_IPI, - DIE_PAGE_FAULT, }; static inline int notify_die(enum die_val val, const char *str, diff --git a/include/asm-s390/kprobes.h b/include/asm-s390/kprobes.h index b847ff0..830fe4c 100644 --- a/include/asm-s390/kprobes.h +++ b/include/asm-s390/kprobes.h @@ -97,18 +97,10 @@ void kretprobe_trampoline(void); int is_prohibited_opcode(kprobe_opcode_t *instruction); void get_instruction_type(struct arch_specific_insn *ainsn); +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) #endif /* _ASM_S390_KPROBES_H */ - -#ifdef CONFIG_KPROBES - -extern int kprobe_exceptions_notify(struct notifier_block *self, - unsigned long val, void *data); -#else /* !CONFIG_KPROBES */ -static inline int kprobe_exceptions_notify(struct notifier_block *self, - unsigned long val, void *data) -{ - return 0; -} -#endif |