On 05/05/15 at 12:21am, Pablo Neira Ayuso wrote: > On Mon, May 04, 2015 at 01:05:08PM -0700, Alexei Starovoitov wrote: > > [...] TC critical path becomes slower with extra dereference and > > indirect jump. > > You complained on the performance impact of the initial generic hook > infrastructure that allows qdisc ingress and nft to co-exist, fair > enough. > > I came back with an even more simple hook infrastructure, to address > performance concerns, and you indicate that an *extra dereference and > indirect jump* makes this slowier and that both cannot co-exist with > this. > > Well, any kind of hook generalization will need at least those minimal > changes. And that allows us to move code that belongs to sch_ingress. > That got embedded into net/core/dev.c because at the time this code > was made when there was no RCU around. Does anything speak against a separate hook with a static key? -- 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
