Re: [Xen-devel] [PATCH v8 01/14] arch/arm: domain build: let dom0 access I/O memory of mapped devices

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

On Sun, 2014-05-25 at 12:51 +0200, Arianna Avanzini wrote:
> Currently, dom0 is allowed access to the I/O memory ranges used
> to access devices exposed to it, but it doesn't have those
> ranges in its iomem_caps. This commit implements the correct
> bookkeeping in the generic function which actually maps a
> device's I/O memory to the domain, adding the ranges to the
> domain's iomem_caps.
> 
> NOTE: This commit suffers from the following limitations;
>       . with this patch, I/O memory ranges pertaining disabled
>         devices are not mapped;
>       . the "iomem" option could be used to map memory ranges that
>         are not described in the device tree.
>       In both these cases, this patch does not allow the domain
>       the privileges needed to map the needed I/O memory ranges
>       afterwards.
> 
> Signed-off-by: Arianna Avanzini <avanzini.arianna@xxxxxxxxx>
> Acked-by: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
> Acked-by: Julien Grall <julien.grall@xxxxxxxxxx>

I applied this one.

Patch #2 here had comments and I wasn't brave enough to try and cherry
pick patches from past that because I wasn't sure if there were
dependencies.



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel