Messages in this thread | | | Date | Thu, 2 Aug 2012 12:45:11 +0800 | From | Fan Du <> | Subject | Re: [PATCH] MIPS: oops when show backtrace of all active cpu |
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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.
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