From: patchwork-bot+netdevbpf@kernel.org
To: Longjun Tang <lange_tang@163.com>
Cc: kuba@kernel.org, horms@kernel.org, mst@redhat.com,
jasowang@redhat.com, edumazet@google.com,
virtualization@lists.linux.dev, netdev@vger.kernel.org,
tanglongjun@kylinos.cn
Subject: Re: [PATCH v5] virtio_net: disable cb when NAPI is busy-polled
Date: Wed, 01 Jul 2026 00:20:05 +0000 [thread overview]
Message-ID: <178286520539.349616.104964929108327778.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260629024230.37325-1-lange_tang@163.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Mon, 29 Jun 2026 10:42:30 +0800 you wrote:
> From: Longjun Tang <tanglongjun@kylinos.cn>
>
> When busy-poll is active, napi_schedule_prep() returns false in
> virtqueue_napi_schedule(), so virtqueue_disable_cb() is skipped.
> The device may keep firing irqs until reaches virtqueue_napi_complete().
> Under load (received == budget), it will lead to a large number
> of spurious interrupts.
>
> [...]
Here is the summary with links:
- [v5] virtio_net: disable cb when NAPI is busy-polled
https://git.kernel.org/netdev/net/c/1eb8fc67ca41
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-07-01 0:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-29 2:42 [PATCH v5] virtio_net: disable cb when NAPI is busy-polled Longjun Tang
2026-07-01 0:20 ` patchwork-bot+netdevbpf [this message]
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