[RFC PATCH 1/5] nvme-pci: add function nvme_submit_vf_cmd to issue admin commands for VF driver.

Christoph Hellwig hch at lst.de
Sun Dec 11 23:41:34 PST 2022


On Fri, Dec 09, 2022 at 02:11:21AM +0000, Tian, Kevin wrote:
> > It can't.  That's the whole point.  The controlled function that is
> > being migrate must be absolutely unaware of that (except for things
> > like quiescing access or FLRs that could happen anyway), because
> > otherwise your have a fundamental information leak.
> > 
> 
> Can you elaborate which information is leaked?

Information about what controllers exist, what namespaces exist, etc.



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