Re: [PATCH v2] net: sch: eliminate unnecessary RCU waits in mini_qdisc_pair_swap()

From: patchwork-bot+netdevbpf
Date: Wed Oct 27 2021 - 21:10:15 EST


Hello:

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

On Tue, 26 Oct 2021 08:06:59 -0500 you wrote:
> From: Seth Forshee <sforshee@xxxxxxxxxxxxxxxx>
>
> 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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