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Thu, 17 Jul 2025 20:46:33 -0700 (PDT) From: Matthew W Carlis To: helgaas@kernel.org Cc: anil.s.keshavamurthy@intel.com, bhelgaas@google.com, bp@alien8.de, davem@davemloft.net, ilpo.jarvinen@linux.intel.com, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-trace-kernel@vger.kernel.org, lukas@wunner.de, mark.rutland@arm.com, mathieu.desnoyers@efficios.com, mattc@purestorage.com, mhiramat@kernel.org, naveen@kernel.org, oleg@redhat.com, peterz@infradead.org, rostedt@goodmis.org, tianruidong@linux.alibaba.com, tony.luck@intel.com, xueshuai@linux.alibaba.com Subject: Re: [PATCH v8] PCI: hotplug: Add a generic RAS tracepoint for hotplug event Date: Thu, 17 Jul 2025 21:46:16 -0600 Message-ID: <20250718034616.26250-1-mattc@purestorage.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20250717235055.GA2664149@bhelgaas> References: <20250717235055.GA2664149@bhelgaas> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Thu, Jul 17, 2025 Bjorn Helgaas wrote > So I think your idea of adding current link speed/width to the "Link > Up" event is still on the table, and that does sound useful to me. We're already reading the link status register here to check DLLA so it would be nice. I guess if everything is healthy we're probably already at the maximum speed by this point. > In the future we might add another tracepoint when we enumerate the > device and know the Vendor/Device ID. I think we might have someone who would be interested in doing it.