Re: [PATCH net v2] ptp: Report clock removal to poll waiters

[patchwork-bot+netdevbpf]

Hello:

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

On Sun,  8 Nov 2026 08:49:29 +0200 you wrote:
> ptp_clock_unregister() marks the clock defunct and wakes timestamp
> waiters before posix_clock_unregister() marks it a zombie. A poll
> waiter can consume the removal wakeup while the event queue is empty,
> return no events, and remain blocked until timeout after device
> removal.
> 
> Using netdevsim's mock PTP clock in an x86_64 QEMU/KVM guest,
> the unpatched kernel missed all eight epoll removal notifications.
> The four poll waits returned POLLERR only at timeout. With this
> patch, all 12 poll and epoll waits reported clock removal promptly.
> 
> [...]

Here is the summary with links:
  - [net,v2] ptp: Report clock removal to poll waiters
    https://git.kernel.org/netdev/net-next/c/92be25a17ed6

You are awesome, thank you!
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