linux-kernel - Re: [PATCH v8] PCI: hotplug: Add a generic RAS tracepoint for hotplug event

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Message-ID: <20250718034616.26250-1-mattc@purestorage.com>
Date: Thu, 17 Jul 2025 21:46:16 -0600
From: Matthew W Carlis <mattc@...estorage.com>
To: helgaas@...nel.org
Cc: anil.s.keshavamurthy@...el.com,
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Subject: Re: [PATCH v8] PCI: hotplug: Add a generic RAS tracepoint for hotplug event

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.