From: Patrick Schaaf <bof@bof.de>
To: Patrick Schaaf <bof@bof.de>
Cc: Ranjeet Shetye <ranjeet.shetye@zultys.com>,
netfilter-devel@lists.netfilter.org
Subject: Re: Brute force printk routines for looking at netfilter structures
Date: Wed, 18 Dec 2002 00:07:06 +0100 [thread overview]
Message-ID: <20021217230706.GB25448@oknodo.bof.de> (raw)
In-Reply-To: <20021217203737.GA25448@oknodo.bof.de>
> > signed int nf_debug_indent = 0;
>
> Why signed? Anyway, this will fall on its face on SMP systems.
> Cure: use atomic_t.
Ahem. Given the application, a per-cpu nf_debug_indent would be
the proper cure, together with preventing preemption whenever
nf_debug_indent is above 0. You can then also printk the CPU
number along with the rest :-)
best regards
Patrick
next prev parent reply other threads:[~2002-12-17 23:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-17 20:16 Brute force printk routines for looking at netfilter structures Ranjeet Shetye
2002-12-17 20:37 ` Patrick Schaaf
2002-12-17 23:07 ` Patrick Schaaf [this message]
2002-12-18 20:49 ` nf_debug.c version 0.2 Ranjeet Shetye
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