Re: [PATCH 1/4] Add support for userspace stacktraces in tracing/iter_ctrl

Frédéric Weisbecker
2008-10-13T08:02:59Z

2008/10/12 Török Edwin <edwintorok@gmail.com>:
> Hello,
>
> This function is called from ftrace, as such I could be holding a
> spinlock. It can also be called from
> __rwsem_do_wake, which takes a spinlock.
> This code is from sysprof's copy_stack_frame. Maybe pagefault_disable()
> is not needed.
>
> Best regards,
> --Edwin

Ok, I didn't see the context that way.