From: george anzinger <george@mvista.com>
To: Andi Kleen <ak@suse.de>
Cc: kuznet@ms2.inr.ac.ru, netdev@oss.sgi.com,
linux-net@vger.kernel.org, davem@redhat.com, ak@muc.de,
pekkas@netcore.fi
Subject: Re: System crash in tcp_fragment()
Date: Mon, 20 May 2002 17:34:21 -0700 [thread overview]
Message-ID: <acc4s5$gmr$2@main.gmane.org> (raw)
In-Reply-To: 20020521022007.A6248@wotan.suse.de
Andi Kleen wrote:
>
> On Tue, May 21, 2002 at 04:11:00AM +0400, A.N.Kuznetsov wrote:
> > Hello!
> >
> > > It's unfortunately the truth. Even in_interrupt() is buggy current
> > > on SMP preemptive.
> >
> > And why folks working on preemtive kernel do not repair this?
> > To all that I remember it is well known issue.
>
> It is fixed on x86-64 @)
>
> if [ "$CONFIG_SMP" = "n" ]; then
> bool 'Preemptible Kernel' CONFIG_PREEMPT
> fi
>
That is not a fix! It is dodging the issue. ;)
--
George Anzinger george@mvista.com
High-res-timers:
http://sourceforge.net/projects/high-res-timers/
Real time sched: http://sourceforge.net/projects/rtsched/
Preemption patch:
http://www.kernel.org/pub/linux/kernel/people/rml
next prev parent reply other threads:[~2002-05-21 0:34 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20020521015407.A1296@wotan.suse.de>
2002-05-21 0:11 ` System crash in tcp_fragment() kuznet
2002-05-21 0:20 ` Andi Kleen
2002-05-21 0:26 ` george anzinger
[not found] ` <20020521022007.A6248@wotan.suse.de>
2002-05-21 0:34 ` george anzinger [this message]
[not found] ` <3CE99434.20E7479C@mvista.com>
2002-05-21 0:18 ` David S. Miller
2002-05-21 0:39 ` Andi Kleen
[not found] <Pine.LNX.4.33.0205201836160.9301-100000@w-nivedita2.des.beaverton.ibm.com>
[not found] ` <3CE9E466.AC2358EE@mvista.com>
2002-05-21 6:00 ` David S. Miller
[not found] ` <20020520.230021.29510217.davem@redhat.com>
[not found] ` <3CE9F679.90ACF597@mvista.com>
2002-05-21 7:22 ` David S. Miller
2002-05-21 12:47 ` kuznet
2002-05-21 15:42 ` george anzinger
2002-05-21 12:54 ` Andi Kleen
2002-05-21 7:25 ` george anzinger
2002-05-21 9:49 ` Andi Kleen
2002-05-21 6:08 ` george anzinger
[not found] <20020520.173416.105610032.davem@redhat.com>
2002-05-21 1:00 ` kuznet
2002-05-21 1:49 ` Nivedita Singhvi
[not found] <3CE9960D.15D41380@mvista.com>
[not found] ` <200205210041.EAA04407@sex.inr.ac.ru>
2002-05-21 0:34 ` David S. Miller
2002-05-21 0:41 ` kuznet
[not found] <3CE95190.75C52E2D@mvista.com>
2002-05-20 20:29 ` Andi Kleen
[not found] ` <20020520222937.A1467@averell>
2002-05-20 21:18 ` george anzinger
2002-05-20 21:25 ` kuznet
2002-05-20 22:08 ` David S. Miller
[not found] ` <200205202125.BAA03545@sex.inr.ac.ru>
2002-05-20 23:01 ` george anzinger
2002-05-20 23:54 ` Andi Kleen
2002-05-20 19:42 george anzinger
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