x86: use helper in fault_64.c

Use the fixup_exception() helper in fault_64.c Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
git-mirror · Jan 30, 2008 · 85f2adf · 85f2adf
1 parent 6d48583
commit 85f2adf
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Showing 2 changed files with 3 additions and 4 deletions.
diff --git a/arch/x86/mm/fault_64.c b/arch/x86/mm/fault_64.c
@@ -298,7 +298,6 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
 	struct mm_struct *mm;
 	struct vm_area_struct * vma;
 	unsigned long address;
-	const struct exception_table_entry *fixup;
 	int write, fault;
 	unsigned long flags;
 	siginfo_t info;
@@ -508,9 +507,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
 no_context:
 
 	/* Are we prepared to handle this kernel fault?  */
-	fixup = search_exception_tables(regs->ip);
-	if (fixup) {
-		regs->ip = fixup->fixup;
+	if (fixup_exception(regs)) {
 		return;
 	}
 

diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h
@@ -65,6 +65,8 @@ struct exception_table_entry
 	unsigned long insn, fixup;
 };
 
+extern int fixup_exception(struct pt_regs *regs);
+
 #define ARCH_HAS_SEARCH_EXTABLE
 
 /*
-Original file line number
+Diff line change
@@ Expand Up / @@ -65,6 +65,8 @@ struct exception_table_entry @@
     	unsigned long insn, fixup;
     };
+    extern int fixup_exception(struct pt_regs *regs);
     #define ARCH_HAS_SEARCH_EXTABLE
     /*
@@ Expand Down @@