Le mercredi 22 septembre 2010 Ã 18:20 +0800, Changli Gao a Ãcrit : > On Tue, Aug 17, 2010 at 2:55 PM, Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote: > > > > Its a thing that might change in a future version. Not a hard fact. > > > > You can probably change iptables to allow softirqs while processing > > OUTPUT chains. > > > > We had some attempts in the past to switch to RCU. > > > > It failed at that time because of some RCU implementation details, but > > with recent RCU changes, we might try again, and have a clean > > implementation, allowing softirqs. > > > > So your patch would need to be reverted. > > > > So the smp_processor_id() in xt_cpu.c should be replaced with > raw_smp_processor_id()? > Using smp_processor_id() is better. This provides automatic checking. If we change output processing to allow softirqs, that doesnt mean we allow preemption or cpu migration :) -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
