Re: [Xen-devel] [PATCH v3] xen/arm: gicv2: Export GICv2m register frames to Dom0 by device tree

[Julien Grall <julien.grall@xxxxxxx>]

Hi Wei,

On 27/04/16 08:05, Wei Chen wrote:
> This patch adds v2m extension support in GIC-v2 driver. The GICv2 driver
> detects the MSI frames from device tree and creates corresponding device
> tree nodes in dom0's DTB. It also provides one hw_ops callback to map
> v2m MMIO regions to dom0 and route v2m SPIs to dom0.
>
> With this GICv2m extension support, the dom0 kernel can do GICv2m frame
> setup and initialization.
>
> This patch is based on the GICv2m patch of Suravee Suthikulpanit:
> [PATCH 2/2] xen/arm: gicv2: Adding support for GICv2m in Dom0
> http://lists.xen.org/archives/html/xen-devel/2015-04/msg02613.html
>
> Signed-off-by: Wei Chen <Wei.Chen@xxxxxxxxxx>
I have tested the patch and can get MSI working on Juno r2.

The tree is currently frozen in preparation for Xen 4.7. Nonetheless, 
with the comment mentioned in [1], this patch looks good to me:
Reviewed-by: Julien Grall <julien.grall@xxxxxxx>

Stefano, do you plan to carry patch for Xen 4.8? If not, I can create a 
separate branch and will resend the patch when the tree is re-opened.
Cheers,

[1] 
http://lists.xenproject.org/archives/html/xen-devel/2016-04/msg03540.html
--
Julien Grall

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