netdev - Re: [PATCH v2] net: sch: eliminate unnecessary RCU waits in mini_qdisc_pair

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Date:   Thu, 28 Oct 2021 01:10:07 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Seth Forshee <seth@...shee.me>
Cc:     davem@...emloft.net, kuba@...nel.org, jhs@...atatu.com,
        xiyou.wangcong@...il.com, jiri@...nulli.us, paulmck@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] net: sch: eliminate unnecessary RCU waits in
 mini_qdisc_pair_swap()

Hello:

This series was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Tue, 26 Oct 2021 08:06:59 -0500 you wrote:
> From: Seth Forshee <sforshee@...italocean.com>
> 
> Currently rcu_barrier() is used to ensure that no readers of the
> inactive mini_Qdisc buffer remain before it is reused. This waits for
> any pending RCU callbacks to complete, when all that is actually
> required is to wait for one RCU grace period to elapse after the buffer
> was made inactive. This means that using rcu_barrier() may result in
> unnecessary waits.
> 
> [...]

Here is the summary with links:
  - [v2] net: sch: eliminate unnecessary RCU waits in mini_qdisc_pair_swap()
    https://git.kernel.org/netdev/net-next/c/267463823adb
  - [2/1] net: sch: simplify condtion for selecting mini_Qdisc_pair buffer
    https://git.kernel.org/netdev/net-next/c/85c0c3eb9a66

You are awesome, thank you!
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