Re: PCIe enable device races (Was: [PATCH v3] PCI: Data corruption happening due to race condition)

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On 8/16/18 5:09 PM, Benjamin Herrenschmidt wrote:
> On Thu, 2018-08-16 at 15:56 -0600, Jens Axboe wrote:
>> On 8/16/18 3:37 PM, Benjamin Herrenschmidt wrote:
>>> On Thu, 2018-08-16 at 13:43 -0600, Jens Axboe wrote:
>>>>
>>>>> Ok. Well, my patch fixes it for my repro-case at least and seems to not
>>>>> break anyhting on my thinkpad so ...
>>>>>
>>>>> Bjorn, are you ok with the approach ? If yes, I'll start breaking up
>>>>> that patch into a few smaller bits in case something goes wrong and we
>>>>> want to bisect (such as the changes I did to tracking is_busmaster
>>>>> etc...)
>>>>
>>>> I can try it too, but I was never CC'ed on the actual patch.
>>>
>>> https://lore.kernel.org/lkml/08bc40a6af3e614e97a78fbaab688bfcd14520ac.camel@xxxxxxxxxxxxxxxxxxx/
>>>
>>> (I'll also fwd privately)
>>
>> Boots and works fine for me, but I'm also now on a gen6 x1, my initial
>> report was on a gen4. I still have the gen4, I can power it up and see
>> if it works there as well.
> 
> Mine is a gen4 and it works fine :)

OK good, saves me the time then :-)

-- 
Jens Axboe




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