linux_dsm_epyc7002/arch/nios2/mm/extable.c
Ley Foon Tan 862674d424 nios2: MMU Fault handling
This patch adds support for the handling of the MMU faults (exception
entry code introduced by a previous patch, kernel/entry.S).

Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08 12:55:52 +08:00

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C

/*
* Copyright (C) 2010, Tobias Klauser <tklauser@distanz.ch>
* Copyright (C) 2009, Wind River Systems Inc
* Implemented by fredrik.markstrom@gmail.com and ivarholmqvist@gmail.com
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/module.h>
#include <linux/uaccess.h>
int fixup_exception(struct pt_regs *regs)
{
const struct exception_table_entry *fixup;
fixup = search_exception_tables(regs->ea);
if (fixup) {
regs->ea = fixup->fixup;
return 1;
}
return 0;
}