Re: [PATCH v2] PCI: Check for PCIe downtraining conditions
From: Sinan Kaya
Date: Fri Jun 01 2018 - 11:10:29 EST
On 6/1/2018 11:06 AM, Alex G. wrote:
> On 06/01/2018 10:03 AM, Sinan Kaya wrote:
>> On 6/1/2018 11:01 AM, Alexandru Gagniuc wrote:
>>> + /* Multi-function PCIe share the same link/status. */
>>> + if (PCI_FUNC(dev->devfn) != 0)
>>> + return;
>>
>> How about virtual functions?
>
> I have almost no clue about those. Is your concern that we might end up
> printing more than our fair share of link statuses?
Yes, struct pci_dev also has a flag called is_virtfn that you should bail out
here too.
>
> Alex
>
>
--
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.