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Message-ID: <87ocbgkjjb.fsf@small.ssi.corp> Date: Wed, 29 Sep 2010 11:04:24 +0200 From: arno@...isbad.org (Arnaud Ebalard) To: David Miller <davem@...emloft.net> Cc: eric.dumazet@...il.com, herbert@...dor.apana.org.au, yoshfuji@...ux-ipv6.org, netdev@...r.kernel.org Subject: Re: [PATCHv2 net-next-2.6 0/5] XFRM,IPv6: Removal of RH2/HAO from IPsec-protected MIPv6 traffic Hi, David Miller <davem@...emloft.net> writes: > From: arno@...isbad.org (Arnaud Ebalard) > Date: Tue, 28 Sep 2010 23:33:16 +0200 > >> Before following the (dumb) #ifdef path, I was about to do that but >> worried about the penalty of the additional xfrm_state_get/put_afinfo() >> calls on each packet I was about to add. Should I just reduce my amount >> of coffee or is it a valid concern? > > Indeed, it is. > > Even without the concern of afinfo refcounting, this test is very > heavy handed for the packet path. > > Can you make it small enough that it can reasonably be inlined? I came up with an idea. A v3 follows; the cover letter details that. Cheers, a+ -- 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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