Re: [PATCH 12/16] SUPPORT.md: Add Security-releated features

["Jan Beulich" <JBeulich@suse.com>]

>>> On 22.11.17 at 18:13, <george.dunlap@citrix.com> wrote:
> On 11/21/2017 08:52 AM, Jan Beulich wrote:
>>>>> On 13.11.17 at 16:41, <george.dunlap@citrix.com> wrote:
>>> With the exception of driver domains, which depend on PCI passthrough,
>>> and will be introduced later.
>>>
>>> Signed-off-by: George Dunlap <george.dunlap@citrix.com>
>> 
>> Shouldn't we also explicitly exclude tool stack disaggregation here,
>> with reference to XSA-77?
> 
> Well in this document, we already consider XSM "experimental"; that
> would seem to subsume the specific exclusions listed in XSA-77.
> 
> I've modified the "XSM & FLASK" as below; let me know what you think.
> 
> The other option would be to make separate entries for specific uses of
> XSM (i.e., "for simple domain restriction" vs "for domain disaggregation").
> 
>  -George
> 
> 
> ### XSM & FLASK
> 
>     Status: Experimental
> 
> Compile time disabled.
> 
> Also note that using XSM
> to delegate various domain control hypercalls
> to particular other domains, rather than only permitting use by dom0,
> is also specifically excluded from security support for many hypercalls.
> Please see XSA-77 for more details.

That's fine with mel.

Jan


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