netdev - Re: [PATCH net-next] once: add DO_ONCE

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Message-Id: <166480081442.18787.18225641567071597506.git-patchwork-notify@kernel.org>
Date:   Mon, 03 Oct 2022 12:40:14 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org, edumazet@...gle.com,
        christophe.leroy@...roup.eu, w@....eu
Subject: Re: [PATCH net-next] once: add DO_ONCE_SLOW() for sleepable contexts

Hello:

This patch was applied to netdev/net-next.git (master)
by David S. Miller <davem@...emloft.net>:

On Sat,  1 Oct 2022 13:51:02 -0700 you wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> Christophe Leroy reported a ~80ms latency spike
> happening at first TCP connect() time.
> 
> This is because __inet_hash_connect() uses get_random_once()
> to populate a perturbation table which became quite big
> after commit 4c2c8f03a5ab ("tcp: increase source port perturb table to 2^16")
> 
> [...]

Here is the summary with links:
  - [net-next] once: add DO_ONCE_SLOW() for sleepable contexts
    https://git.kernel.org/netdev/net-next/c/62c07983bef9

You are awesome, thank you!
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