Re: [v4,0/3] Workaround for bus/slot reset on Cavium cn8xxx root ports

From: Jon Masters
Date: Wed Sep 20 2017 - 13:50:50 EST


On 09/12/2017 05:40 AM, Vadim Lomovtsev wrote:

> Are there any updates on this ?
> Comments/objections/acks/nacks ?

Any more comments?

Jon.

> On Fri, Sep 08, 2017 at 10:10:30AM +0200, Jan Glauber wrote:
>> Using vfio-pci on a combination of cn8xxx and some PCI devices results in
>> a kernel panic. This is triggered by issuing a bus or a slot reset
>> on the PCI device.
>>
>> With this series both checks indicate that the reset is not possible
>> preventing the kernel panic.
>>
>> David Daney (2):
>> PCI: Allow PCI_DEV_FLAGS_NO_BUS_RESET to be used on bus device
>> PCI: Avoid bus reset for Cavium cn8xxx root ports
>>
>> Jan Glauber (1):
>> PCI: Avoid slot reset if bus reset is not possible
>>
>> drivers/pci/pci.c | 8 ++++++++
>> drivers/pci/quirks.c | 8 ++++++++
>> 2 files changed, 16 insertions(+)


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