netdev - Re: [PATCH] netfilter: don't disable BH again in BH disabled context

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Message-ID: <AANLkTi=r23zwZpO=Y++a608=K6f7-FvcL2d-gY+foggm@mail.gmail.com>
Date:	Wed, 22 Sep 2010 18:20:04 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Patrick McHardy <kaber@...sh.net>,
	"David S. Miller" <davem@...emloft.net>,
	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] netfilter: don't disable BH again in BH disabled context

On Tue, Aug 17, 2010 at 2:55 PM, Eric Dumazet <eric.dumazet@...il.com> 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()?

-- 
Regards,
Changli Gao(xiaosuo@...il.com)
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