[Top] [All Lists]

Re: System crash in tcp_fragment()

To: kuznet@xxxxxxxxxxxxx
Subject: Re: System crash in tcp_fragment()
From: Andi Kleen <ak@xxxxxxx>
Date: Tue, 21 May 2002 01:54:07 +0200
Cc: george anzinger <george@xxxxxxxxxx>, netdev@xxxxxxxxxxx, linux-net@xxxxxxxxxxxxxxx, davem@xxxxxxxxxx, ak@xxxxxx, pekkas@xxxxxxxxxx
In-reply-to: <200205202125.BAA03545@xxxxxxxxxxxxx>
References: <3CE95190.75C52E2D@xxxxxxxxxx> <200205202125.BAA03545@xxxxxxxxxxxxx>
Sender: owner-netdev@xxxxxxxxxxx
User-agent: Mutt/
> 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.


<Prev in Thread] Current Thread [Next in Thread>