linux-kernel - Re: [patch V2 0/3] ptp: Provide support for auxiliary clocks for PTP_SYS_OFFSET

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Message-ID: <87ecuxwic0.ffs@tglx>
Date: Thu, 03 Jul 2025 14:48:47 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: Paolo Abeni <pabeni@...hat.com>, LKML <linux-kernel@...r.kernel.org>
Cc: netdev@...r.kernel.org, Richard Cochran <richardcochran@...il.com>,
 Christopher Hall <christopher.s.hall@...el.com>, John Stultz
 <jstultz@...gle.com>, Frederic Weisbecker <frederic@...nel.org>,
 Anna-Maria Behnsen <anna-maria@...utronix.de>, Miroslav Lichvar
 <mlichvar@...hat.com>, Werner Abt <werner.abt@...nberg-usa.com>, David
 Woodhouse <dwmw2@...radead.org>, Stephen Boyd <sboyd@...nel.org>, Thomas
 Weißschuh <thomas.weissschuh@...utronix.de>, Kurt
 Kanzenbach
 <kurt@...utronix.de>, Nam Cao <namcao@...utronix.de>, Antoine Tenart
 <atenart@...nel.org>
Subject: Re: [patch V2 0/3] ptp: Provide support for auxiliary clocks for
 PTP_SYS_OFFSET_EXTENDED

Paolo!

On Thu, Jul 03 2025 at 12:27, Paolo Abeni wrote:
> On 7/1/25 3:26 PM, Thomas Gleixner wrote:
>> Merge logistics if agreed on:
>> 
>>     1) Patch #1 is applied to the tip tree on top of plain v6.16-rc1 and
>>        tagged
>> 
>>     2) That tag is merged into tip:timers/ptp and the temporary CLOCK_AUX
>>        define is removed in a subsequent commit
>> 
>>     3) Network folks merge the tag and apply patches #2 + #3
>> 
>> So the only fallout from this are the extra merges in both trees and the
>> cleanup commit in the tip tree. But that way there are no dependencies and
>> no duplicate commits with different SHAs.
>> 
>> Thoughts?
>
> I'm sorry for the latency here; the plan works for me! I'll wait for the
> tag reference.

No problem. Rome wasn't built in a day either :)

> Could you please drop a notice here when such tag will be available?

Here you go:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git ktime-get-clock-ts64-for-ptp

I merged it locally into net-next, applied the PTP patches on top and
verified that the combination with the tip timers/ptp branch, which has
the tag integrated and the workaround removed, creates the expected
working result.

Thanks,

        tglx