Re: [PATCH v10 net-next 2/6] net: add low latency socket poll

[Eric Dumazet <eric.dumazet@gmail.com>]

On Mon, 2013-06-10 at 11:39 +0300, Eliezer Tamir wrote:
> Adds an ndo_ll_poll method and the code that supports it.
> This method can be used by low latency applications to busy-poll
> Ethernet device queues directly from the socket code.
> sysctl_net_ll_poll controls how many microseconds to poll.
> Default is zero (disabled).
> Individual protocol support will be added by subsequent patches.
> 
> Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
> Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
> ---
> 
>  Documentation/sysctl/net.txt |    7 ++
>  include/linux/netdevice.h    |    3 +
>  include/linux/skbuff.h       |    8 ++
>  include/net/ll_poll.h        |  148 ++++++++++++++++++++++++++++++++++++++++++
>  include/net/sock.h           |    4 +
>  include/uapi/linux/snmp.h    |    1 
>  net/Kconfig                  |   12 +++
>  net/core/skbuff.c            |    4 +
>  net/core/sock.c              |    6 ++
>  net/core/sysctl_net_core.c   |   10 +++
>  net/ipv4/proc.c              |    1 
>  net/socket.c                 |    6 ++
>  12 files changed, 208 insertions(+), 2 deletions(-)
>  create mode 100644 include/net/ll_poll.h

Acked-by: Eric Dumazet <edumazet@google.com>