mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-11 00:16:42 +07:00
862674d424
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>
26 lines
623 B
C
26 lines
623 B
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;
|
|
}
|