Re: [PATCH v2 1/4] efi/x86: Remove EfiMemoryMappedIO from E820 map

Bjorn Helgaas
2023-01-13T13:59:09Z

On Fri, Jan 13, 2023 at 06:46:03PM +0800, Baowen Zheng wrote:
> Hello Bjorn Helgaas:
>
> When we tested our NIC, we found we will fail to access pcie extent configuration space.
> Actually we can only access the 256 Bytes of the pcie configuration space.
> You can make check with command of "lspci -s XXXX -vv"
> It seems relates to this change, could you please help to make a check?

Can you test these patches?

https://lore.kernel.org/linux-pci/20230110180243.1590045-1-helgaas@kernel.org/

Let me know if they don't fix the problem.

Bjorn