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Subject: Re: [PATCH net] net: hv_netvsc: fix loss of early receive events from
 host during channel open.
From: patchwork-bot+netdevbpf@kernel.org
Message-Id: 
 <175625820626.162890.13956078628306112530.git-patchwork-notify@kernel.org>
Date: Wed, 27 Aug 2025 01:30:06 +0000
References: 
 <20250825115627.GA32189@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
In-Reply-To: 
 <20250825115627.GA32189@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
To: Dipayaan Roy <dipayanroy@linux.microsoft.com>
Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org,
 decui@microsoft.com, andrew+netdev@lunn.ch, davem@davemloft.net,
 edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
 linux-hyperv@vger.kernel.org, netdev@vger.kernel.org,
 linux-kernel@vger.kernel.org, dipayanroy@micorsoft.com,
 ssengar@linux.microsoft.com

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.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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