From: Jakub Kicinski <kuba@kernel.org>
To: Wen Gu <guwen@linux.alibaba.com>
Cc: Richard Cochran <richardcochran@gmail.com>,
andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com,
pabeni@redhat.com, xuanzhuo@linux.alibaba.com,
dust.li@linux.alibaba.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH net-next v5 1/2] ptp: introduce Alibaba CIPU PHC driver
Date: Tue, 16 Dec 2025 13:58:48 -0800 [thread overview]
Message-ID: <20251216135848.174e010f@kernel.org> (raw)
In-Reply-To: <fb01b35d-55a8-4313-ad14-b529b63c9e04@linux.alibaba.com>
On Sun, 14 Dec 2025 22:03:57 +0800 Wen Gu wrote:
> If you're suggesting creating a new subsystem, I think we should first
> answer this question: why can't it be part of the current ptp subsystem,
> and what are the differences between the drivers under `drivers/ptp`
> and those in the new subsystem?
I can't explain it any better than I already did here:
https://lore.kernel.org/all/20251127083610.6b66a728@kernel.org/
I talked to Thomas Gleixner (added to CC) during LPC and he seemed
open to creating a PHC subsystem for pure time devices in virtualized
environments. Please work with him and other vendors trying to
upstream similar drivers.
next prev parent reply other threads:[~2025-12-16 21:58 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-30 12:13 [PATCH net-next v5 0/2] ptp: Alibaba CIPU PTP clock driver Wen Gu
2025-10-30 12:13 ` [PATCH net-next v5 1/2] ptp: introduce Alibaba CIPU PHC driver Wen Gu
2025-10-31 23:58 ` Jakub Kicinski
2025-11-05 10:22 ` Wen Gu
2025-11-06 0:24 ` Jakub Kicinski
2025-11-27 5:48 ` Wen Gu
2025-11-27 16:36 ` Jakub Kicinski
2025-11-28 6:22 ` Wen Gu
2025-11-28 18:24 ` Jakub Kicinski
2025-12-01 6:04 ` Wen Gu
2025-12-12 6:50 ` Wen Gu
2025-12-12 22:50 ` Jakub Kicinski
2025-12-14 14:03 ` Wen Gu
2025-12-16 21:58 ` Jakub Kicinski [this message]
2025-12-17 12:40 ` Wen Gu
2025-12-22 7:18 ` Wen Gu
2025-12-18 12:28 ` David Woodhouse
2025-12-22 12:44 ` Wen Gu
2025-10-30 12:13 ` [PATCH net-next v5 2/2] ptp: add sysfs documentation for " Wen Gu
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