Re: [PATCH 3/4] VFIO: pci: amend vfio-pci for explicit binding viasysfs only

From: Scott Wood
Date: Mon Oct 28 2013 - 14:00:20 EST


On Mon, 2013-10-28 at 11:47 -0600, Alex Williamson wrote:
> On Fri, 2013-10-11 at 01:27 -0500, Kim Phillips wrote:
> > Force the vfio-pci driver to only be bound explicitly via sysfs to avoid
> > conflics with other drivers in the event of a hotplug.
>
> We can't break userspace, so we can't disable the current method of
> binding devices to vfio-pci. We can add a new method and perhaps
> deprecate the existing mechanism to be removed at some point in the
> future. Thanks,

I thought the existing method involved using sysfs bind, and this was
just eliminating a race. How does the bind get triggered currently?

-Scott



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