Re: [Xen-devel] [PATCH v2 23/23] xen: decouple HVM and IOMMU capabilities

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 26.08.18 at 14:19, <wei.liu2@xxxxxxxxxx> wrote:
> HVM and IOMMU are two distinct hardware features, yet they were
> bundled together in sysctl and xl's output.
> 
> Decouple them on sysctl level. On toolstack level we still need to
> maintain a sensible semantics for `xl info`. Massage the information
> according to the following table:
> 
> pv      hvm     iommu           flags in xl info
> 0       0       0               n/a
> 0       0       1               n/a
> 0       1       0               hvm
> 0       1       1               hvm hvm_directio
> 1       0       0               NIL
> 1       0       1               directio
> 1       1       0               hvm
> 1       1       1               hvm hvm_directio directio
> 
> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>

Hypervisor side
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

Tools side looks sensible to me too, but I'm not going to claim I've
properly reviewed it.

Jan



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel