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Subject: Re: PCIe enable device races (Was: [PATCH v3] PCI: Data corruption
 happening due to race condition)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Jens Axboe <axboe@kernel.dk>,
        Konstantin Khlebnikov
	 <khlebnikov@yandex-team.ru>,
        Bjorn Helgaas <helgaas@kernel.org>
Cc: Hari Vyas <hari.vyas@broadcom.com>, bhelgaas@google.com,
        linux-pci@vger.kernel.org, ray.jui@broadcom.com
Date: Fri, 17 Aug 2018 07:37:35 +1000
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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@kernel.crashing.org/

(I'll also fwd privately)

Cheers,
Ben.