Re: [Xen-devel] [PATCH v3 4/6] libxl: allow creation of domains with a specified or random domid

["Durrant, Paul" <pdurrant@xxxxxxxxxxxx>]

> -----Original Message-----
> From: Ian Jackson <ian.jackson@xxxxxxxxxx>
> Sent: 17 January 2020 15:31
> To: Durrant, Paul <pdurrant@xxxxxxxxxxxx>
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx; Wei Liu <wl@xxxxxxx>; Anthony Perard
> <anthony.perard@xxxxxxxxxx>; Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>;
> George Dunlap <George.Dunlap@xxxxxxxxxx>; Jan Beulich <jbeulich@xxxxxxxx>;
> Julien Grall <julien@xxxxxxx>; Konrad Rzeszutek Wilk
> <konrad.wilk@xxxxxxxxxx>; Stefano Stabellini <sstabellini@xxxxxxxxxx>;
> jandryuk@xxxxxxxxx
> Subject: RE: [PATCH v3 4/6] libxl: allow creation of domains with a
> specified or random domid
> 
> Durrant, Paul writes ("RE: [PATCH v3 4/6] libxl: allow creation of domains
> with a specified or random domid"):
> > Ok, to cover all bases then it seems like checking the domid after
> creation and then destroying if it is too recent is the better option.
> 
> I think so, yes.  I think the recent timestamp should be updated in
> this case.  (Faff!)
> 

I don't think we need to mess with the time-stamp in this case. The domain will 
be killed very quickly, before any PV backends are built and IIUC that's what 
we care about when it comes to re-using domids too quickly.

  Paul

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