> -----Original Message-----
> From: Ian Jackson <ian.jack...@citrix.com>
> Sent: 26 November 2019 15:06
> To: George Dunlap <george.dun...@citrix.com>; xen-
> de...@lists.xenproject.org; Wei Liu <w...@xen.org>; Jan Beulich
> <jbeul...@suse.com>; Durrant, Paul <pdurr...@amazon.com>; Juergen Gross
> <jgr...@suse.com>
> Subject: Re: [PATCH for-4.13] docs/xl: Document pci-assignable state
>
> Ian Jackson writes ("Re: [PATCH for-4.13] docs/xl: Document pci-assignable
> state"):
> > George Dunlap writes ("Re: [PATCH for-4.13] docs/xl: Document pci-
> assignable state"):
> > > I kind of feel like the discussion of the security risks inherent in
> pci
> > > passthrough belong in a separate document, but perhaps a brief mention
> > > here would be helpful. Perhaps the following?
> > >
> > > "As always, this should only be done if you trust the guest, or are
> > > confident that the particular device you're re-assigning to dom0 will
> > > cancel all in-flight DMA on FLR."
> >
> > SGTM.
> >
> > I like "as always" which clearly signals that this is a more general
> > problem without requiring us to actually write that other
> > comprehensive document...
>
The text sounds fine in general but the 'as always' does rather imply 'hey, we
never said PCI pass-through was safe, did we?'
Paul
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