Re: [PATCH v4 1/4] PCI/cxl: Move PCI CXL vendor Id to a common location from CXL subsystem

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Dave Jiang wrote:
> Move PCI_DVSEC_VENDOR_ID_CXL in CXL private code to PCI_VENDOR_ID_CXL in
> pci_ids.h in order to be utilized in PCI subsystem.
> 
> The response Bjorn received from the PCI SIG was "1E98h is not a VID in our
> system, but 1E98 has already been reserved by CXL." He suggested "we should
> add '#define PCI_VENDOR_ID_CXL 0x1e98' so that if we ever *do* see such an
> assignment, we'll be more likely to flag it as an issue.

Perhaps indent these as quotes, the second quote is missing a trailing
double-quote.

...but maybe even better to justify this change rather than the reaction
to the change. Something like:

--
When uplevelling PCI_DVSEC_VENDOR_ID_CXL to a common location Bjorn
suggested making it a proper PCI_VENDOR_ID_* define in
include/linux/pci_ids.h. While it is not in the PCI IDs database it is a
reserved value and Linux treats it as a 'vendor id' for all intents and
purposes [1].
---

...where that footnote can link back to the conversation for the
background.

Other than that, you can add:

Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>




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