Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  linux/arch/arm/mm/extable.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/extable.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) int fixup_exception(struct pt_regs *regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	const struct exception_table_entry *fixup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	fixup = search_exception_tables(instruction_pointer(regs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	if (fixup) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 		regs->ARM_pc = fixup->fixup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #ifdef CONFIG_THUMB2_KERNEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 		/* Clear the IT state to avoid nasty surprises in the fixup */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		regs->ARM_cpsr &= ~PSR_IT_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	return fixup != NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) }