linux-kernel - Re: [PATCH v2] PCI: Check for PCIe downtraining conditions

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Date:   Fri, 1 Jun 2018 10:50:39 -0500
From:   "Alex G." <mr.nuke.me@...il.com>
To:     Sinan Kaya <okaya@...eaurora.org>, bhelgaas@...gle.com
Cc:     alex_gagniuc@...lteam.com, austin_bolen@...l.com,
        shyam_iyer@...l.com, keith.busch@...el.com,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] PCI: Check for PCIe downtraining conditions



On 06/01/2018 10:10 AM, Sinan Kaya wrote:
> 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. 

Will be fixed in v3.

Thanks,
Alex

>>
>> Alex
>>
>>
> 
>