netdev - Re: [PATCH v2 net-next 0/3] net_sched: allow use of hrtimer slack

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Message-Id: <20200317.211651.1801450460206939791.davem@davemloft.net>
Date:   Tue, 17 Mar 2020 21:16:51 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, willemb@...gle.com, kuba@...nel.org,
        eric.dumazet@...il.com
Subject: Re: [PATCH v2 net-next 0/3] net_sched: allow use of hrtimer slack

From: Eric Dumazet <edumazet@...gle.com>
Date: Mon, 16 Mar 2020 19:12:48 -0700

> Packet schedulers have used hrtimers with exact expiry times.
> 
> Some of them can afford having a slack, in order to reduce
> the number of timer interrupts and feed bigger batches
> to increase efficiency.
> 
> FQ for example does not care if throttled packets are
> sent with an additional (small) delay.
> 
> Original observation of having maybe too many interrupts
> was made by Willem de Bruijn.
> 
> v2: added strict netlink checking (Jakub Kicinski)

Looks good, series applied, thanks Eric.