Re: [PATCH] Enable SR-IOV instantiation through /sys file

From: Christoph Hellwig
Date: Sun Oct 29 2017 - 02:17:36 EST


On Fri, Oct 27, 2017 at 11:20:41PM +0000, Duyck, Alexander H wrote:
> I don't see this so much as a security problem per-se. It all depends
> on the hardware setup. If I recall correctly, there are devices where
> the PF function doesn't really do much other than act as a bit more
> heavy-weight VF, and the actual logic is handled by a firmware engine
> on the device.

Can you cite an example? While those surely could exist in theory,
I can't think of a practical example.

Maybe we can start with the practical use case for this patch. That
is what device is this intended for?