diff options
| -rw-r--r-- | arch/nds32/kernel/traps.c | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/arch/nds32/kernel/traps.c b/arch/nds32/kernel/traps.c index 6a9772ba7392..b66f889bc6df 100644 --- a/arch/nds32/kernel/traps.c +++ b/arch/nds32/kernel/traps.c @@ -62,40 +62,6 @@ void dump_mem(const char *lvl, unsigned long bottom, unsigned long top) EXPORT_SYMBOL(dump_mem); -static void dump_instr(struct pt_regs *regs) -{ - unsigned long addr = instruction_pointer(regs); - mm_segment_t fs; - char str[sizeof("00000000 ") * 5 + 2 + 1], *p = str; - int i; - - return; - /* - * We need to switch to kernel mode so that we can use __get_user - * to safely read from kernel space. Note that we now dump the - * code first, just in case the backtrace kills us. - */ - fs = get_fs(); - set_fs(KERNEL_DS); - - pr_emerg("Code: "); - for (i = -4; i < 1; i++) { - unsigned int val, bad; - - bad = __get_user(val, &((u32 *) addr)[i]); - - if (!bad) { - p += sprintf(p, i == 0 ? "(%08x) " : "%08x ", val); - } else { - p += sprintf(p, "bad PC value"); - break; - } - } - pr_emerg("Code: %s\n", str); - - set_fs(fs); -} - #define LOOP_TIMES (100) static void __dump(struct task_struct *tsk, unsigned long *base_reg, const char *loglvl) @@ -179,7 +145,6 @@ void die(const char *str, struct pt_regs *regs, int err) if (!user_mode(regs) || in_interrupt()) { dump_mem("Stack: ", regs->sp, (regs->sp + PAGE_SIZE) & PAGE_MASK); - dump_instr(regs); dump_stack(); } |