Date: Sat, 13 Mar 2010 13:56:57 +0000 From: Bruce Simpson <bms@incunabulum.net> To: "Robert N. M. Watson" <rwatson@FreeBSD.org> Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org, Randall Stewart <rrs@lakerest.net> Subject: Re: svn commit: r205104 - in head/sys: dev/xen/netback netinet netinet6 Message-ID: <4B9B99A9.7040904@incunabulum.net> In-Reply-To: <92C0A9B0-9297-4F56-A6A1-603006423230@FreeBSD.org> References: <201003122258.o2CMwqDM039077@svn.freebsd.org> <alpine.BSF.2.00.1003131257060.51476@fledge.watson.org> <2F4A2F84-4955-49C2-B25E-BB987BC27815@lakerest.net> <92C0A9B0-9297-4F56-A6A1-603006423230@FreeBSD.org>
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On 03/13/10 13:53, Robert N. M. Watson wrote: > On Mar 13, 2010, at 1:50 PM, Randall Stewart wrote: > >> I could refactor that this way if you want... it would mean a few more de-ref's and >> looking to see if its a v4 or v6 packet and then doing the proper offset... >> This is the sort of thing which M_PROTO* flags are good for. Derefs in the hot path should be amortized whenever that makes sense.
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