Messages in this thread | | | Date | Wed, 15 Apr 2009 23:55:09 +0200 (CEST) | From | Jan Engelhardt <> | Subject | Re: [PATCH] netfilter: use per-cpu spinlock rather than RCU (v3) |
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On Wednesday 2009-04-15 23:07, Eric Dumazet wrote: >Stephen Hemminger a écrit : >> Looks like there is some recursive path into ip_tables that makes the >> per-cpu spinlock break. I get lockup's with KVM networking. >> >> Suggestions? > >Well, it seems original patch was not so bad after all > >http://lists.netfilter.org/pipermail/netfilter-devel/2006-January/023175.html > >So change per-cpu spinlocks to per-cpu rwlocks > >and use read_lock() in ipt_do_table() to allow recursion... > iptables cannot quite recurse into itself due to the comefrom stuff.
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