linux-kernel - Re: [PATCH net-next v4] ptp: add Alibaba CIPU PTP clock driver

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Message-ID: <aKd8AtiXq0o09pba@hoboy.vegasvil.org>
Date: Thu, 21 Aug 2025 13:05:22 -0700
From: Richard Cochran <richardcochran@...il.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: Wen Gu <guwen@...ux.alibaba.com>, andrew+netdev@...n.ch,
	davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
	xuanzhuo@...ux.alibaba.com, dust.li@...ux.alibaba.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH net-next v4] ptp: add Alibaba CIPU PTP clock driver

On Fri, Aug 15, 2025 at 11:38:14AM -0700, Jakub Kicinski wrote:

> Maybe it's just me, but in general I really wish someone stepped up
> and created a separate subsystem for all these cloud / vm clocks.
> They have nothing to do with PTP. In my mind PTP clocks are simple HW
> tickers on which we build all the time related stuff. While this driver
> reports the base year for the epoch and leap second status via sysfs.

Yeah, that is my feeling as well.

Thanks,
Richard