On 18/06/2013 17:35, Eric Dumazet wrote:
> On Tue, 2013-06-18 at 16:25 +0300, Eliezer Tamir wrote:
>
>> One other thing,
>> sock_poll() will only ll_poll if the flag was set _and_ the socket has a
>> none-zero value in sk->sk_ll_usec so you still only poll on sockets
>> that were enabled for LLS, not on every socket.
>
> But sockets are default enabled for LLS.
>
> sock_init_data()
> {
> ...
> sk->sk_ll_usec = sysctl_net_ll_poll;
> ...
> }
Yes, if you want to globally enable.
But now that we have the socket option, you can leave the global
setting at 0 and only enable specific sockets via the socket option.
(I have tested this with a modified sockperf and it works.)
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