Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6.23

* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6.23:
  sh: fix defconfigs for sh7751r boards
  sh: fix cf support on r2d boards
  sh: update r2d defconfig
  sh: update snapgear defconfig.
  sh: Fix SH-X3 FPU exception handling.
  sh: Fix pgd mismatch from cached TTB in unhandled fault.
  sh: Don't include fault-nommu on SH-2/SH-2A.
  sh: Fix irqflags tracing for SH-3/4 nommu.
  sh: Fix lockdep debugging oops on SH-3/4.

3 files changed, 19 insertions, 35 deletions

diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile
index d677d7f3afc..4061e89d84d 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 923cb456819..c6f5b51ec2c 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 964c6767dc7..04a39aa7f1f 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;