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! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html