cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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extable.c (587B)

      1/*
      2 * This file is subject to the terms and conditions of the GNU General Public
      3 * License.  See the file "COPYING" in the main directory of this archive
      4 * for more details.
      5 *
      6 * Copyright (C) 1997, 99, 2001 - 2004 Ralf Baechle <ralf@linux-mips.org>
      7 */
      8#include <linux/extable.h>
      9#include <linux/spinlock.h>
     10#include <asm/branch.h>
     11#include <linux/uaccess.h>
     12
     13int fixup_exception(struct pt_regs *regs)
     14{
     15	const struct exception_table_entry *fixup;
     16
     17	fixup = search_exception_tables(exception_epc(regs));
     18	if (fixup) {
     19		regs->cp0_epc = fixup->nextinsn;
     20
     21		return 1;
     22	}
     23
     24	return 0;
     25}