Paul Durrant writes ("RE: [PATCH] libxl: tooling expects wrong errno"):
> > -----Original Message-----
> > From: Ian Jackson <ian.jack...@citrix.com>
> > Thanks for the analysis. So:
> >
> > Acked-by: Ian Jackson <ian.jack...@eu.citrix.com>
> >
> > This would seem to be a backport candidate. AFAICT check has been
> > there, looking for ENOSYS, since this code was introduced in
> > 826eb17271d3c647516d9944c47b0779afedea25
> > libxl: suppress device assignment to HVM guest when there is no IOMMU
> > ?
> >
> > But that commit has a Tested-by. Maybe Xen changed its error return
> > at some point ?
> >
>
> Yes, it happened in 71e617a6b8f69849c70eda1b3c58f1ff6b244e5a
> use is_iommu_enabled() where appropriate...
So,
Backport: 4.13
Thanks!
Ian.
