| To: | Bart De Schuymer <bdschuym@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH/RFC] Reduce call chain length in netfilter (was: Re: do_IRQ: stack overflow: 872..) |
| From: | Martin Josefsson <gandalf@xxxxxxxxxxxxxx> |
| Date: | Sun, 23 Jan 2005 17:08:29 +0100 |
| Cc: | "David S. Miller" <davem@xxxxxxxxxxxxx>, shemminger@xxxxxxxx, dwmw2@xxxxxxxxxxxxx, ak@xxxxxxx, snort2004@xxxxxxx, bridge@xxxxxxxx, netdev@xxxxxxxxxxx, Rusty Russell <rusty@xxxxxxxxxxxxxxx> |
| In-reply-to: | <1106484019.3376.5.camel@xxxxxxxxxxxxxxxxxxxxx> |
| References: | <1131604877.20041218092730@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <p73zn0ccaee.fsf@xxxxxxxxxxxxx> <1105117559.11753.34.camel@xxxxxxxxxxxxxxxxxxxxxxx> <20050107100017.454ddadc@xxxxxxxxxxxxxxxxx> <1105133241.3375.16.camel@xxxxxxxxxxxxxxxxxxxxx> <20050118135735.4b77d38d.davem@xxxxxxxxxxxxx> <1106433059.4486.11.camel@xxxxxxxxxxxxxxxxxxxxx> <1106436153.20995.42.camel@xxxxxxxxxxxxxx> <1106484019.3376.5.camel@xxxxxxxxxxxxxxxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
On Sun, 2005-01-23 at 13:40 +0100, Bart De Schuymer wrote:
> Hi Martin,
Hi Bart
> > I guess you never testcompiled with CONFIG_NETFILTER_DEBUG set :)
>
> Oops, no. I was imagining I could code that without error...
> There was another compile error with CONFIG_NETFILTER_DEBUG in the patch
> (skb that should have been (*pskb)) :(
:)
> > > + if (verdict > NF_MAX_VERDICT) {
> > > + NFDEBUG("Evil return from %p(%u).\n",
> > > + elem->hook, hook);
> > > + continue;
> > > + }
> >
> > Maybe add unlikely() around the test?
>
> OK. I added another one around another debugging if-statement.
I'm now running a kernel with this patch and everything seems to still
be working.
So unless someone else has something to comment I think this should be
applied.
The decrease in call-depth is important.
--
/Martin
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