Re: [Xen-devel] [PATCH v3 7/7] xen/dom0: Add a dom0-iommu=none option

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Wed, Jan 16, 2019 at 09:00:50AM +0000, Andrew Cooper wrote:
> For development purposes, it is very convenient to boot Xen as a PVH guest,
> with an XTF PV or PVH "dom0".  The edit-compile-go cycle is a matter of
> seconds, and you can reasonably insert printk() debugging in places which
> which would be completely infeasible when booting fully-fledged guests.
> 
> However, the PVH dom0 path insists on having a working IOMMU, which doesn't
> exist when virtualised as a PVH guest, and isn't necessary for XTF anyway.
> 
> Introduce a developer mode to skip the IOMMU requirement.

Nice.

/me takes note to add a corresponding smoke test to gitlab.

Wei.

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