tree 2db96af75038ab5fbcc8010c0f060fab98dd906d
parent a7a01ab312601ba5966ec80383e6bbef241d883f
author Eric Dumazet <edumazet@google.com> 1553261189 -0700
committer David S. Miller <davem@davemloft.net> 1553391801 -0400

tcp: remove conditional branches from tcp_mstamp_refresh()

tcp_clock_ns() (aka ktime_get_ns()) is using monotonic clock,
so the checks we had in tcp_mstamp_refresh() are no longer
relevant.

This patch removes cpu stall (when the cache line is not hot)

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>