Subject: Re: System crash in tcp_fragment()

From: Andi Kleen <[email-masked]>
Date: Tue, 21 May 2002 01:54:07 +0200

> And also your reasoning about smp_processor_id() sounds strange,
> preemption code must reschedule thread preemted in the kernel to the
> same cpu, it is enough to avoid troubles with this. 

It's unfortunately the truth. Even in_interrupt() is buggy current 
on SMP preemptive.

-Andi