* Dipankar Sarma <[email protected]> wrote:
> Turns out that kprobe_flush_task() is called from finish_task_switch()
> with preemption disabled and it uses a converted spin lock. The
> following patch fixed the problem for me and I was able to boot my
> x86_64 box.
ah, subtle problem and nice fix! We are using an RCU trick to delay task
freeing in finish_task_switch(), but kprobe_flush_task() isnt done in
put_task_struct(). [neither would it be right to flush kprobes there.]
I've released -rt4 with this included.
Ingo
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