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Date: Mon, 06 Feb 2012 12:18:26 -0500 From: Steven Rostedt <rostedt@...dmis.org> To: Eric Dumazet <eric.dumazet@...il.com> Cc: Neil Horman <nhorman@...driver.com>, "Frank Ch. Eigler" <fche@...hat.com>, Hagen Paul Pfeifer <hagen@...u.net>, "Frank Ch. Eigler" <fche@...stic.org>, Satoru Moriya <satoru.moriya@....com>, David Miller <davem@...emloft.net>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "tgraf@...radead.org" <tgraf@...radead.org>, "stephen.hemminger@...tta.com" <stephen.hemminger@...tta.com>, Seiji Aguchi <seiji.aguchi@....com>, fche@...rceware.org, mathieu.desnoyers@...ymtl.ca Subject: Re: [PATCH v2 0/2] Tracepoint for tcp retransmission On Mon, 2012-02-06 at 18:02 +0100, Eric Dumazet wrote: > > > I haven't looked at the details here, but I'm wondering if netfilter > > could benefit from static_branch() calls (aka jump-labels). I'm sure > > selinux could too. Basically, when netfilter is disabled, the fast path > > would just include a nop, with no if() branch testing at all. When you > > enable netfilters, it would then add a jmp to the code that actually > > does the tests. > > Hmm... I thought I already did that. > > Or maybe I intended so and forgot. > > Ah no, its there in commit a2d7ec58ac09 > (netfilter: use jump_label for nf_hooks) hehe, this shows the fact that "I haven't looked at the details here". ;-) Great to hear! -- Steve -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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