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Message-Id: <163772760983.14808.10753248852142083725.git-patchwork-notify@kernel.org>
Date: Wed, 24 Nov 2021 04:20:09 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Kurt Kanzenbach <kurt@...utronix.de>
Cc: davem@...emloft.net, kuba@...nel.org, peppe.cavallaro@...com,
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Subject: Re: [PATCH net-next v2] net: stmmac: Caclucate CDC error only once
Hello:
This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@...nel.org>:
On Mon, 22 Nov 2021 12:19:31 +0100 you wrote:
> The clock domain crossing error (CDC) is calculated at every fetch of Tx or Rx
> timestamps. It includes a division. Especially on arm32 based systems it is
> expensive. It also requires two conditionals in the hotpath.
>
> Add a compensation value cache to struct plat_stmmacenet_data and subtract it
> unconditionally in the RX/TX functions which spares the conditionals.
>
> [...]
Here is the summary with links:
- [net-next,v2] net: stmmac: Caclucate CDC error only once
https://git.kernel.org/netdev/net-next/c/c6d5f1933085
You are awesome, thank you!
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