[Bug kprobes/2071] Probes on ISR with probes on task thread's prehandler crash the system

[anil dot s dot keshavamurthy at intel dot com]

------- Additional Comments From anil dot s dot keshavamurthy at intel dot com  2006-01-13 02:08 -------
(In reply to comment #3)
> On ppc64, I tried to disable the interrupt in the kprobe handler in the case 
of
> reentry and re-enable interrupt when it came out of the handler and it seems 
to
> *WORK*. I was able to complete my kernel build (make -j8), where it gave an 
oops
> before. 
Hien, I tried your patch (porting onto IA64) and it did not work for me. Also 
I see the solution you have mentioned might now work for x86_64 too. 
Especially on x86_64 even when you disable interrupt, NMI's can still happen 
and any probes on that path will cause the problem again.



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http://sourceware.org/bugzilla/show_bug.cgi?id=2071

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