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-rw-r--r--arch/sh/mm/Makefile4
-rw-r--r--arch/sh/mm/fault-nommu.c47
-rw-r--r--arch/sh/mm/fault.c3
3 files changed, 19 insertions, 35 deletions
diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile
index d677d7f3afc1..4061e89d84d0 100644
--- a/arch/sh/mm/Makefile
+++ b/arch/sh/mm/Makefile
@@ -8,7 +8,9 @@ obj-$(CONFIG_CPU_SH2) += cache-sh2.o
obj-$(CONFIG_CPU_SH3) += cache-sh3.o
obj-$(CONFIG_CPU_SH4) += cache-sh4.o
-mmu-y := fault-nommu.o tlb-nommu.o pg-nommu.o
+mmu-y := tlb-nommu.o pg-nommu.o
+mmu-$(CONFIG_CPU_SH3) += fault-nommu.o
+mmu-$(CONFIG_CPU_SH4) += fault-nommu.o
mmu-$(CONFIG_MMU) := fault.o clear_page.o copy_page.o tlb-flush.o \
ioremap.o
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);
}
-
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index 964c6767dc73..04a39aa7f1f9 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -184,8 +184,7 @@ no_context:
printk(KERN_ALERT "pc = %08lx\n", regs->pc);
page = (unsigned long)get_TTB();
if (page) {
- page = ((__typeof__(page) *) __va(page))[address >>
- PGDIR_SHIFT];
+ page = ((__typeof__(page) *)page)[address >> PGDIR_SHIFT];
printk(KERN_ALERT "*pde = %08lx\n", page);
if (page & _PAGE_PRESENT) {
page &= PAGE_MASK;