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Message-Id: <165152821186.23338.11869983661549264354.git-patchwork-notify@kernel.org>
Date: Mon, 02 May 2022 21:50:11 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Pavel Begunkov <asml.silence@...il.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
dsahern@...nel.org, edumazet@...gle.com,
willemdebruijn.kernel@...il.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 1/1] tcp: optimise skb_zerocopy_iter_stream()
Hello:
This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@...nel.org>:
On Thu, 28 Apr 2022 11:57:46 +0100 you wrote:
> It's expensive to make a copy of 40B struct iov_iter to the point it
> was taking 0.2-0.5% of all cycles in my tests. iov_iter_revert() should
> be fine as it's a simple case without nested reverts/truncates.
>
> Signed-off-by: Pavel Begunkov <asml.silence@...il.com>
> ---
>
> [...]
Here is the summary with links:
- [net-next,1/1] tcp: optimise skb_zerocopy_iter_stream()
https://git.kernel.org/netdev/net-next/c/829b7bdd7044
You are awesome, thank you!
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