Re: [Xen-devel] [PATCH v4 3/3] libxl: add force option for xl vcpu-pin

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Juergen Gross writes ("[PATCH v4 3/3] libxl: add force option for xl vcpu-pin"):
> In order to be able to undo a vcpu pin override in case of a kernel
> driver error add a flag "-f" to the "xl vcpu-pin" command forcing the
> hypervisor to undo the override.
...
> +Specifying I<-f> or I<--force> will remove a temporary pinning done by the
> +operating system (normally this should be done by the operating system).
> +In case a temporary pinning is active for a vcpu the affinity of this vcpu
> +can't be changed without this option.

This documentation needs to confirm that this can only happen to dom0,
or other domains which have been granted hardware access.

Assuming that this is actually true.  If not then surely it should be.

Ian.

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