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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>
hifive-unleashed-5.1
Harvey Harrison 2008-01-30 13:31:42 +01:00 committed by Ingo Molnar
parent 6d48583ba9
commit 85f2adf169
2 changed files with 3 additions and 4 deletions
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5
arch/x86/mm/fault_64.c
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@ -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 @@ bad_area_nosemaphore:
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;
}

2
include/asm-x86/uaccess_64.h
View File

@ -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
/*