1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 */ 4 5 #include <linux/kernel.h> 6 #include <linux/printk.h> 7 #include <linux/ptrace.h> 8 9 #include <asm/reg.h> 10 machine_check_4xx(struct pt_regs * regs)11int machine_check_4xx(struct pt_regs *regs) 12 { 13 unsigned long reason = regs->esr; 14 15 if (reason & ESR_IMCP) { 16 printk("Instruction"); 17 mtspr(SPRN_ESR, reason & ~ESR_IMCP); 18 } else 19 printk("Data"); 20 printk(" machine check in kernel mode.\n"); 21 22 return 0; 23 } 24