diff options
| -rw-r--r-- | arch/sh/mm/fault.c | 37 | ||||
| -rw-r--r-- | include/asm-sh/kdebug.h | 4 |
2 files changed, 0 insertions, 41 deletions
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c index 62d02892103..c878faa4ae4 100644 --- a/arch/sh/mm/fault.c +++ b/arch/sh/mm/fault.c @@ -15,43 +15,11 @@ #include <linux/mm.h> #include <linux/hardirq.h> #include <linux/kprobes.h> -#include <linux/kdebug.h> #include <asm/system.h> #include <asm/mmu_context.h> #include <asm/tlbflush.h> #include <asm/kgdb.h> -#ifdef CONFIG_KPROBES -ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain); - -/* Hook to register for page fault notifications */ -int register_page_fault_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(¬ify_page_fault_chain, nb); -} - -int unregister_page_fault_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(¬ify_page_fault_chain, nb); -} - -static inline int notify_page_fault(enum die_val val, struct pt_regs *regs, - int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .trapnr = trap, - }; - return atomic_notifier_call_chain(¬ify_page_fault_chain, val, &args); -} -#else -static inline int notify_page_fault(enum die_val val, struct pt_regs *regs, - int trap, int sig) -{ - return NOTIFY_DONE; -} -#endif - /* * This routine handles page faults. It determines the address, * and the problem, and then passes it off to one of the appropriate @@ -69,11 +37,6 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, siginfo_t info; trace_hardirqs_on(); - - if (notify_page_fault(DIE_PAGE_FAULT, regs, - writeaccess, SIGSEGV) == NOTIFY_STOP) - return; - local_irq_enable(); #ifdef CONFIG_SH_KGDB diff --git a/include/asm-sh/kdebug.h b/include/asm-sh/kdebug.h index 16578b7c9da..382cfc7deb7 100644 --- a/include/asm-sh/kdebug.h +++ b/include/asm-sh/kdebug.h @@ -6,10 +6,6 @@ /* Grossly misnamed. */ enum die_val { DIE_TRAP, - DIE_PAGE_FAULT, }; -int register_page_fault_notifier(struct notifier_block *nb); -int unregister_page_fault_notifier(struct notifier_block *nb); - #endif /* __ASM_SH_KDEBUG_H */ |