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SubjectRe: [PATCH] MIPS: oops when show backtrace of all active cpu


On 2012年08月02日 12:18, Kevin Cernekee wrote:
> On Wed, Aug 1, 2012 at 8:31 PM, Fan Du<fdu@windriver.com> wrote:
>> show_backtrace must have an valid task when calling unwind_stack,
>> so fix it by checking first.
> [...]
>> --- a/arch/mips/kernel/traps.c
>> +++ b/arch/mips/kernel/traps.c
>> @@ -151,6 +151,10 @@ static void show_backtrace(struct task_struct *task, const struct pt_regs *regs)
>> show_raw_backtrace(sp);
>> return;
>> }
>> +
>> + if (task == NULL)
>> + task = current;
>> +
>> printk("Call Trace:\n");
>> do {
>> print_ip_sym(pc);
>
> FYI, a slightly different version of this change was accepted:
>
> https://patchwork.linux-mips.org/patch/3524/
>
>

Oh, Looks like I'm late :)
thanks anyway.


--

Love each day!
--fan
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