linux-kernel - Re: [PATCH net] kcm: Fix splice support

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Message-Id: 
 <175392421918.2566045.61660066535623324.git-patchwork-notify@kernel.org>
Date: Thu, 31 Jul 2025 01:10:19 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Michal Luczaj <mhal@...x.co>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, horms@...nel.org, cong.wang@...edance.com,
 tom@...bertland.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] kcm: Fix splice support

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Fri, 25 Jul 2025 12:33:04 +0200 you wrote:
> Flags passed in for splice() syscall should not end up in
> skb_recv_datagram(). As SPLICE_F_NONBLOCK == MSG_PEEK, kernel gets
> confused: skb isn't unlinked from a receive queue, while strp_msg::offset
> and strp_msg::full_len are updated.
> 
> Unbreak the logic a bit more by mapping both O_NONBLOCK and
> SPLICE_F_NONBLOCK to MSG_DONTWAIT. This way we align with man splice(2) in
> regard to errno EAGAIN:
> 
> [...]

Here is the summary with links:
  - [net] kcm: Fix splice support
    https://git.kernel.org/netdev/net/c/9063de636cee

You are awesome, thank you!
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