diff options
Diffstat (limited to 'arch/sh/mm/fault-nommu.c')
| -rw-r--r-- | arch/sh/mm/fault-nommu.c | 47 |
1 files changed, 15 insertions, 32 deletions
diff --git a/arch/sh/mm/fault-nommu.c b/arch/sh/mm/fault-nommu.c index 923cb456819b..c6f5b51ec2c7 100644 --- a/arch/sh/mm/fault-nommu.c +++ b/arch/sh/mm/fault-nommu.c @@ -1,47 +1,33 @@ -/* +/* * arch/sh/mm/fault-nommu.c * - * Copyright (C) 2002 Paul Mundt + * Copyright (C) 2002 - 2007 Paul Mundt * * Based on linux/arch/sh/mm/fault.c: * Copyright (C) 1999 Niibe Yutaka * * Released under the terms of the GNU GPL v2.0. */ - -#include <linux/signal.h> -#include <linux/sched.h> #include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/types.h> -#include <linux/ptrace.h> -#include <linux/mman.h> #include <linux/mm.h> -#include <linux/smp.h> -#include <linux/interrupt.h> - +#include <linux/hardirq.h> +#include <linux/kprobes.h> #include <asm/system.h> -#include <asm/io.h> -#include <asm/uaccess.h> -#include <asm/pgalloc.h> -#include <asm/mmu_context.h> -#include <asm/cacheflush.h> - -#if defined(CONFIG_SH_KGDB) +#include <asm/ptrace.h> #include <asm/kgdb.h> -#endif - -extern void die(const char *,struct pt_regs *,long); /* * This routine handles page faults. It determines the address, * and the problem, and then passes it off to one of the appropriate * routines. */ -asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess, - unsigned long address) +asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, + unsigned long writeaccess, + unsigned long address) { + trace_hardirqs_on(); + local_irq_enable(); + #if defined(CONFIG_SH_KGDB) if (kgdb_nofault && kgdb_bus_err_hook) kgdb_bus_err_hook(); @@ -65,17 +51,14 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess, do_exit(SIGKILL); } -asmlinkage int __do_page_fault(struct pt_regs *regs, unsigned long writeaccess, - unsigned long address) +asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs, + unsigned long writeaccess, + unsigned long address) { #if defined(CONFIG_SH_KGDB) if (kgdb_nofault && kgdb_bus_err_hook) kgdb_bus_err_hook(); #endif - if (address >= TASK_SIZE) - return 1; - - return 0; + return (address >= TASK_SIZE); } - |