On Mon, 2017-05-15 at 11:01 +0200, Paolo Abeni wrote:
> under udp flood the sk_receive_queue spinlock is heavily contended.
> This patch try to reduce the contention on such lock adding a
> second receive queue to the udp sockets; recvmsg() looks first
> in such queue and, only if empty, tries to f
under udp flood the sk_receive_queue spinlock is heavily contended.
This patch try to reduce the contention on such lock adding a
second receive queue to the udp sockets; recvmsg() looks first
in such queue and, only if empty, tries to fetch the data from
sk_receive_queue. The latter is spliced int
