From: Eric Dumazet <eduma...@google.com> Date: Tue, 20 Nov 2018 10:21:22 -0800
> On Tue, Nov 20, 2018 at 10:16 AM David Miller <da...@davemloft.net> wrote: >> >> Well, I'm sure we "handle" it. But I was more asking about the performance >> tradeoff, which probably is on the side of your change but I wanted to >> just be sure. > > Ah sorry for misunderstanding. > Yes, that should be fine, backlog is not generally used at the > beginning of a flow. > > I am working on adding coalescing support to tcp_add_backlog() to balance > time spent in softirq and time spent from process context, hoping to reduce > probability of having user threads trapped for a while in __release_sock() Ok, meanwhile I applied the patch under discussion. Thanks.
