tree 2b0a51af98e4df407f7bce90ca8cd1a065691b1c
parent 268cb38e1802db560c73167e643f14a3dcb4b07c
author Eric Dumazet <dada1@cosmosbay.com> 1235124213 +0100
committer Patrick McHardy <kaber@trash.net> 1235124213 +0100

netfilter: ip_tables: unfold two critical loops in ip_packet_match()

While doing oprofile tests I noticed two loops are not properly unrolled by gcc

Using a hand coded unrolled loop provides nice speedup : ipt_do_table
credited of 2.52 % of cpu instead of 3.29 % in tbench.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>