Re: [Xen-devel] [PATCH 1/2] tools/xenstored: Make gnttab interface mandatory

[Juergen Gross <jgross@xxxxxxxx>]

On 09.07.19 17:28, Andrew Cooper wrote:
> xenstored currently requires an libxc and evtchn interface, but leaves
> the gnttab interface as optional.
>
> gnttab is ubiquitous these days, and in practice mandatory in all cases
> where xenstored isn't running as root in dom0 (due to the inability to
> foreign map by MFN).
>
> The toolstack has unconditionally set up grant details for many years
> now, and longterm it would be good to phase out the use of libxc.  This
> requires that xenstored map the store ring by grant map, rather than
> foreign map.
>
> No practical change.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Reviewed-by: Juergen Gross <jgross@xxxxxxxx>


Juergen


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