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[91.133.84.221]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3c0771c19fbsm12901416f8f.41.2025.08.21.13.05.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Aug 2025 13:05:24 -0700 (PDT) Date: Thu, 21 Aug 2025 13:05:22 -0700 From: Richard Cochran To: Jakub Kicinski Cc: Wen Gu , 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 , David Woodhouse Subject: Re: [PATCH net-next v4] ptp: add Alibaba CIPU PTP clock driver Message-ID: References: <20250812115321.9179-1-guwen@linux.alibaba.com> <20250815113814.5e135318@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250815113814.5e135318@kernel.org> 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