netdev - Re: [PATCH bpf] Revert "xsk: Do not sleep in poll() when need

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Date:   Fri, 17 Dec 2021 22:10:24 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Magnus Karlsson <magnus.karlsson@...il.com>
Cc:     magnus.karlsson@...el.com, bjorn@...nel.org, ast@...nel.org,
        daniel@...earbox.net, netdev@...r.kernel.org,
        maciej.fijalkowski@...el.com, jonathan.lemon@...il.com,
        bpf@...r.kernel.org
Subject: Re: [PATCH bpf] Revert "xsk: Do not sleep in poll() when need_wakeup set"

Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@...earbox.net>:

On Fri, 17 Dec 2021 15:56:46 +0100 you wrote:
> From: Magnus Karlsson <magnus.karlsson@...el.com>
> 
> This reverts commit bd0687c18e635b63233dc87f38058cd728802ab4.
> 
> This patch causes a Tx only workload to go to sleep even when it does
> not have to, leading to misserable performance in skb mode. It fixed
> one rare problem but created a much worse one, so this need to be
> reverted while I try to craft a proper solution to the original
> problem.
> 
> [...]

Here is the summary with links:
  - [bpf] Revert "xsk: Do not sleep in poll() when need_wakeup set"
    https://git.kernel.org/bpf/bpf/c/0706a78f31c4

You are awesome, thank you!
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