netdev - Re: [PATCH net 0/2] net: u64

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Message-Id: <166177501593.22813.2166930979852446923.git-patchwork-notify@kernel.org>
Date:   Mon, 29 Aug 2022 12:10:15 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     netdev@...r.kernel.org, kuba@...nel.org, davem@...emloft.net,
        tglx@...utronix.de, peterz@...radead.org
Subject: Re: [PATCH net 0/2] net: u64_stats fixups for 32bit.

Hello:

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

On Thu, 25 Aug 2022 13:36:43 +0200 you wrote:
> Hi,
> 
> while looking at the u64-stats patch
> 	https://lore.kernel.org/all/20220817162703.728679-10-bigeasy@linutronix.de
> 
> I noticed that u64_stats_fetch_begin() is used. That suspicious thing
> about it is that network processing, including stats update, is
> performed in NAPI and so I would expect to see
> u64_stats_fetch_begin_irq() in order to avoid updates from NAPI during
> the read. This is only needed on 32bit-UP where the seqcount is not
> used. This is address in 2/2. The remaining user take some kind of
> precaution and may use u64_stats_fetch_begin().
> 
> [...]

Here is the summary with links:
  - [net,1/2] net: dsa: xrs700x: Use irqsave variant for u64 stats update
    https://git.kernel.org/netdev/net/c/3f8ae9fe0409
  - [net,2/2] net: Use u64_stats_fetch_begin_irq() for stats fetch.
    https://git.kernel.org/netdev/net/c/278d3ba61563

You are awesome, thank you!
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