From: Greentime Hu Date: Thu, 23 Aug 2018 06:47:43 +0000 (+0800) Subject: nds32: Only print one page of stack when die to prevent printing too much information. X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=487c4b2323b26cfb5fd4d77d3605a92c182b6288;p=linux.git nds32: Only print one page of stack when die to prevent printing too much information. It may print too much information sometimes if the stack is wrong or too big. This patch can limit the debug information in a page of stack. Signed-off-by: Greentime Hu --- diff --git a/arch/nds32/kernel/traps.c b/arch/nds32/kernel/traps.c index b0b85b7ab0792..1496aab489988 100644 --- a/arch/nds32/kernel/traps.c +++ b/arch/nds32/kernel/traps.c @@ -173,11 +173,10 @@ void die(const char *str, struct pt_regs *regs, int err) pr_emerg("CPU: %i\n", smp_processor_id()); show_regs(regs); pr_emerg("Process %s (pid: %d, stack limit = 0x%p)\n", - tsk->comm, tsk->pid, task_thread_info(tsk) + 1); + tsk->comm, tsk->pid, end_of_stack(tsk)); if (!user_mode(regs) || in_interrupt()) { - dump_mem("Stack: ", regs->sp, - THREAD_SIZE + (unsigned long)task_thread_info(tsk)); + dump_mem("Stack: ", regs->sp, (regs->sp + PAGE_SIZE) & PAGE_MASK); dump_instr(regs); dump_stack(); }