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 (488B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 *  linux/arch/arm/mm/extable.c
      4 */
      5#include <linux/extable.h>
      6#include <linux/uaccess.h>
      7
      8int fixup_exception(struct pt_regs *regs)
      9{
     10	const struct exception_table_entry *fixup;
     11
     12	fixup = search_exception_tables(instruction_pointer(regs));
     13	if (fixup) {
     14		regs->ARM_pc = fixup->fixup;
     15#ifdef CONFIG_THUMB2_KERNEL
     16		/* Clear the IT state to avoid nasty surprises in the fixup */
     17		regs->ARM_cpsr &= ~PSR_IT_MASK;
     18#endif
     19	}
     20
     21	return fixup != NULL;
     22}