kernel_optimize_test/arch/nds32/mm/extable.c
Greentime Hu 664eec400b nds32: MMU fault handling and page table management
This patch includes page fault handler, mmap and fixup implementations.

Signed-off-by: Vincent Chen <vincentc@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2018-02-22 10:44:31 +08:00

17 lines
364 B
C

// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2005-2017 Andes Technology Corporation
#include <linux/extable.h>
#include <linux/uaccess.h>
int fixup_exception(struct pt_regs *regs)
{
const struct exception_table_entry *fixup;
fixup = search_exception_tables(instruction_pointer(regs));
if (fixup)
regs->ipc = fixup->fixup;
return fixup != NULL;
}