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

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Thu, 5 May 2016, Julien Grall wrote:
> 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.

I have always been in favor of creating a branch, in fact I already do
that for QEMU. So I create next-4.8 in
git://xenbits.xen.org/people/sstabellini/xen-unstable.git with this
patch. (If I misunderstood your comment about the readiness of it, let me
know. I'll force push the proper version.)

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