netdev - Re: [PATCH net] net: hv_netvsc: fix loss of early receive events from host during channel open.

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Message-Id: 
 <175625820626.162890.13956078628306112530.git-patchwork-notify@kernel.org>
Date: Wed, 27 Aug 2025 01:30:06 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Dipayaan Roy <dipayanroy@...ux.microsoft.com>
Cc: kys@...rosoft.com, haiyangz@...rosoft.com, wei.liu@...nel.org,
 decui@...rosoft.com, andrew+netdev@...n.ch, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 linux-hyperv@...r.kernel.org, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, dipayanroy@...orsoft.com,
 ssengar@...ux.microsoft.com
Subject: Re: [PATCH net] net: hv_netvsc: fix loss of early receive events from
 host during channel open.

Hello:

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

On Mon, 25 Aug 2025 04:56:27 -0700 you wrote:
> The hv_netvsc driver currently enables NAPI after opening the primary and
> subchannels. This ordering creates a race: if the Hyper-V host places data
> in the host -> guest ring buffer and signals the channel before
> napi_enable() has been called, the channel callback will run but
> napi_schedule_prep() will return false. As a result, the NAPI poller never
> gets scheduled, the data in the ring buffer is not consumed, and the
> receive queue may remain permanently stuck until another interrupt happens
> to arrive.
> 
> [...]

Here is the summary with links:
  - [net] net: hv_netvsc: fix loss of early receive events from host during channel open.
    https://git.kernel.org/netdev/net/c/9448ccd85336

You are awesome, thank you!
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