Re: [PATCH V2 0/3] PCI: Add basic Compute eXpress Link DVSEC decode

From: Bjorn Helgaas
Date: Mon May 18 2020 - 12:44:56 EST


On Mon, May 18, 2020 at 09:35:20AM -0700, Sean V Kelley wrote:
> Changes since v1 [1]:
>
> - Make use pci_info() and FLAG(), as in pcie_init().
> - Wrap new cxl_cap in pci_dev struct within #ifdef PCI_CXL.
> (Bjorn Helgaas)
>
> - Added functionality for some CXL.mem and CXL.cache helper functions.
> Snoop filter helper functions along with a performance hint as
> well as a toggle for viral self-isolation mode could be implemented.
> However, in the absence of CXL devices with their associated drivers, it
> perhaps makes best sense to be in a holding pattern on this until we have
> something to exercise it with.

Right, until these add functionality we can actually use, e.g.,
drivers that call these new functions, I think we're in a holding
pattern.

Bjorn