Hi Subash,
[auto build test ERROR on net-next/master]
url:
https://github.com/0day-ci/linux/commits/Subash-Abhinov-Kasiviswanathan/net-Add-sysctl-to-toggle-early-demux-for-tcp-and-udp/20170323-182822
config: alpha-defconfig (attached as .config)
compiler: alpha-linux-gnu-gcc (Debian 6.1.1-9)
Hi Subash,
[auto build test ERROR on net-next/master]
url:
https://github.com/0day-ci/linux/commits/Subash-Abhinov-Kasiviswanathan/net-Add-sysctl-to-toggle-early-demux-for-tcp-and-udp/20170323-182822
config: x86_64-kexec (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
re
From: Subash Abhinov Kasiviswanathan
Date: Tue, 21 Mar 2017 21:20:10 -0600
> @@ -329,7 +329,7 @@ static int ip_rcv_finish(struct net *net, struct sock
> *sk, struct sk_buff *skb)
> int protocol = iph->protocol;
>
> ipprot = rcu_dereference(inet_protos[protocol]);
>
Certain system process significant unconnected UDP workload.
It would be preferrable to disable UDP early demux for those systems
and enable it for TCP only.
By disabling UDP demux, we see these slight gains on an ARM64 system-
782 -> 788Mbps unconnected single stream UDPv4
633 -> 654Mbps unconnec
