From: Florian Westphal
Date: Wed, 30 Aug 2017 19:24:56 +0200
> Eric reported a performance regression caused by header prediction
> removal.
>
> We now call tcp_ack() much more frequently, for some workloads
> this brings in enough cache line misses to become noticeable.
>
> We could possibly s
Eric reported a performance regression caused by header prediction
removal.
We now call tcp_ack() much more frequently, for some workloads
this brings in enough cache line misses to become noticeable.
We could possibly still kill HP provided we find a different
way to suppress unneeded tcp_ack, b
