netdev - Re: [PATCH net-next 0/2] gro: a couple of minor optimization

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Message-ID: <be23f15d43f7af165c7d2121071b09be73740899.camel@redhat.com>
Date:   Fri, 04 Feb 2022 12:34:03 +0100
From:   Paolo Abeni <pabeni@...hat.com>
To:     netdev@...r.kernel.org
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Alexander Lobakin <alexandr.lobakin@...el.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Alexander H Duyck <alexander.duyck@...il.com>
Subject: Re: [PATCH net-next 0/2] gro: a couple of minor optimization

On Fri, 2022-02-04 at 12:28 +0100, Paolo Abeni wrote:
> This series collects a couple of small optimizations for the GRO engine,
> reducing slightly the number of cycles for dev_gro_receive().
> The delta is within noise range in tput tests, but with big TCP coming
> every cycle saved from the GRO engine will count - I hope ;)
> 
> v1 -> v2:
>  - a few cleanup suggested from Alexander(s)
>  - moved away the more controversial 3rd patch
> 
> Paolo Abeni (2):
>   net: gro: avoid re-computing truesize twice on recycle
>   net: gro: minor optimization for dev_gro_receive()
> 
>  include/net/gro.h | 52 +++++++++++++++++++++++++----------------------
>  net/core/gro.c    | 16 ++++-----------
>  2 files changed, 32 insertions(+), 36 deletions(-)

This is really a v2. Please let me know if you prefer a formal repost.

Thanks!

Paolo