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

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Date:   Mon, 18 May 2020 11:44:51 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Sean V Kelley <sean.v.kelley@...ux.intel.com>
Cc:     bhelgaas@...gle.com, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 0/3] PCI: Add basic Compute eXpress Link DVSEC decode

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