From 127cda1e8cc282de1ca7a9dcc3866841977b9fcc Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Tue, 8 May 2007 18:25:14 -0700 Subject: [SPARC64]: Optimize fault kprobe handling just like powerpc. And eliminate DIE_GPF while we're at it. Signed-off-by: David S. Miller --- include/asm-sparc64/kdebug.h | 16 +++++++++++++--- include/asm-sparc64/kprobes.h | 1 + 2 files changed, 14 insertions(+), 3 deletions(-) (limited to 'include/asm-sparc64') diff --git a/include/asm-sparc64/kdebug.h b/include/asm-sparc64/kdebug.h index f8032e73f38..627e3396a5f 100644 --- a/include/asm-sparc64/kdebug.h +++ b/include/asm-sparc64/kdebug.h @@ -7,8 +7,19 @@ struct pt_regs; -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 void bad_trap(struct pt_regs *, long); @@ -20,7 +31,6 @@ enum die_val { DIE_DIE, DIE_TRAP, DIE_TRAP_TL1, - DIE_GPF, DIE_CALL, DIE_PAGE_FAULT, }; diff --git a/include/asm-sparc64/kprobes.h b/include/asm-sparc64/kprobes.h index becc38fa06c..a331b7b0dff 100644 --- a/include/asm-sparc64/kprobes.h +++ b/include/asm-sparc64/kprobes.h @@ -43,4 +43,5 @@ struct kprobe_ctlblk { 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); #endif /* _SPARC64_KPROBES_H */ -- cgit v1.2.3