Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning

[Sedat Dilek <sedat.dilek@gmail.com>]

On Tue, Sep 29, 2015 at 9:08 PM, Steven Rostedt <rostedt@goodmis.org> wrote:
> On Tue, 29 Sep 2015 20:54:38 +0200
> Sedat Dilek <sedat.dilek@gmail.com> wrote:
>
>> This breaks my build when CONFIG_USB_HID=m...
>>
>>   find .tmp_versions -name '*.mod' | xargs -r grep -h '\.ko$' | sort
>> -u | sed 's/\.ko$/.o/' | scripts/mod/modpost -m -a -o ./Module.symvers
>>    -S   -s -T -
>> ERROR: "print_irqtrace_events" [drivers/hid/usbhid/usbhid.ko] undefined!
>> make[3]: *** [__modpost] Error 1
>> make[2]: *** [modules] Error 2
>> make[1]: *** [bindeb-pkg] Error 2
>> make: *** [bindeb-pkg] Error 2
>
> Add the below patch too:
>
> -- Steve
>
> diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
> index 8acfbf773e06..8b29b3dd518f 100644
> --- a/kernel/locking/lockdep.c
> +++ b/kernel/locking/lockdep.c
> @@ -2410,6 +2410,7 @@ void print_irqtrace_events(struct task_struct *curr)
>         printk("softirqs last disabled at (%u): ", curr->softirq_disable_event);
>         print_ip_sym(curr->softirq_disable_ip);
>  }
> +EXPORT_SYMBOL(print_irqtrace_events);
>
>  static int HARDIRQ_verbose(struct lock_class *class)
>  {
>

Thanks, that fixed it.

- Sedat -