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| author | Paul Mundt <lethal@linux-sh.org> | 2008-09-21 12:06:43 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2008-09-21 12:06:43 +0900 |
| commit | 887f1ae3bc1701604a7b5ef145e1021072675444 (patch) | |
| tree | 79d2e9e0a0fa0dfe838ba06554d1960c82f8789a /arch/sh/mm | |
| parent | 4c59e2942e92d2d776bcd038604a5c3c1d56d3ac (diff) | |
| download | linux-887f1ae3bc1701604a7b5ef145e1021072675444.tar.gz linux-887f1ae3bc1701604a7b5ef145e1021072675444.tar.bz2 linux-887f1ae3bc1701604a7b5ef145e1021072675444.zip | |
sh: Look up the trap vector for the page fault notifier.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm')
| -rw-r--r-- | arch/sh/mm/fault_32.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c index 659811c179e6..ef01f45daa8a 100644 --- a/arch/sh/mm/fault_32.c +++ b/arch/sh/mm/fault_32.c @@ -21,26 +21,21 @@ #include <asm/tlbflush.h> #include <asm/kgdb.h> -#ifdef CONFIG_KPROBES static inline int notify_page_fault(struct pt_regs *regs, int trap) { int ret = 0; +#ifdef CONFIG_KPROBES if (!user_mode(regs)) { preempt_disable(); if (kprobe_running() && kprobe_fault_handler(regs, trap)) ret = 1; preempt_enable(); } +#endif return ret; } -#else -static inline int notify_page_fault(struct pt_regs *regs, int trap) -{ - return 0; -} -#endif /* * This routine handles page faults. It determines the address, @@ -58,7 +53,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, int fault; siginfo_t info; - if (notify_page_fault(regs, writeaccess)) + if (notify_page_fault(regs, lookup_exception_vector())) return; #ifdef CONFIG_SH_KGDB @@ -293,7 +288,7 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs, pte_t *pte; pte_t entry; - if (notify_page_fault(regs, writeaccess)) + if (notify_page_fault(regs, lookup_exception_vector())) return 0; #ifdef CONFIG_SH_KGDB |