Re: [PATCH net-next v5] selftests: drv-net: Test queue stall upon reconfig

[email protected] Tue, 04 Aug 2026 01:20:05 +0000
Newsgroups org.kernel.vger.linux-kselftest,org.kernel.vger.netdev
Message-ID <178580640565.2906169.10462225297051990904.git-patchwork-notify@kernel.org>
Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <[email protected]>:

On Thu, 30 Jul 2026 19:15:42 -0700 you wrote:
> From: Mohsin Bashir <[email protected]>
> 
> Add a reconfig_tx_stall test that detects the possibility of a TX stall
> after ring reconfiguration. The key observation is that drivers using
> netif_tx_start_all_queues() are prone to experiencing a stall when
> reconfiguration completes compared to drivers using
> netif_tx_wake_all_queues(). start_all_queues only clears DRV_XOFF, while
> wake_all_queues also calls __netif_schedule() to kick the qdisc. Without
> the kick, qdisc backlog present at reconfig time can stay stuck until a
> new trigger is issued.
> 
> [...]

Here is the summary with links:
  - [net-next,v5] selftests: drv-net: Test queue stall upon reconfig
    https://git.kernel.org/netdev/net-next/c/c98610c2eb70

You are awesome, thank you!
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