On 18/06/2013 17:45, Eliezer Tamir wrote:
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 socke
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
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 ena
On 18/06/2013 13:25, Eric Dumazet wrote:
On Tue, 2013-06-18 at 11:58 +0300, Eliezer Tamir wrote:
@@ -731,7 +755,11 @@ static inline unsigned int do_pollfd(struct pollfd
*pollfd, poll_table *pwait)
mask = DEFAULT_POLLMASK;
if (f.file->f_op && f.f
On 18/06/2013 13:25, Eric Dumazet wrote:
On Tue, 2013-06-18 at 11:58 +0300, Eliezer Tamir wrote:
@@ -393,6 +394,15 @@ static inline void wait_key_set(poll_table *wait, unsigned
long in,
wait->_key |= POLLOUT_SET;
}
+static inline void wait_key_set_lls(poll_table *wait, bool
On Tue, 2013-06-18 at 11:58 +0300, Eliezer Tamir wrote:
> select/poll busy-poll support.
>
> Add a new poll flag POLL_LL. When this flag is set, sock poll will call
> sk_poll_ll() if possible. sock_poll sets this flag in its return value
> to indicate to select/poll when a socket that can busy pol
On 18/06/2013 12:08, Eric Dumazet wrote:
On Tue, 2013-06-18 at 11:58 +0300, Eliezer Tamir wrote:
select/poll busy-poll support.
*/
-static inline u64 ll_end_time(struct sock *sk)
+static inline u64 ll_sk_end_time(struct sock *sk)
{
- u64 end_time = ACCESS_ONCE(sk->sk_ll_usec);
-
On Tue, 2013-06-18 at 11:58 +0300, Eliezer Tamir wrote:
> select/poll busy-poll support.
>
> */
> -static inline u64 ll_end_time(struct sock *sk)
> +static inline u64 ll_sk_end_time(struct sock *sk)
> {
> - u64 end_time = ACCESS_ONCE(sk->sk_ll_usec);
> -
> - /* we don't mind a ~2.5% i
select/poll busy-poll support.
Add a new poll flag POLL_LL. When this flag is set, sock poll will call
sk_poll_ll() if possible. sock_poll sets this flag in its return value
to indicate to select/poll when a socket that can busy poll is found.
When poll/select have nothing to report, call the low
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