Re: [Xen-devel] [PATCH v2 03/15] xen/arm: vgic-v3: Correctly handle GICD_CTLR

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2015-01-29 at 18:25 +0000, Julien Grall wrote:
> As backward GICv2 compatibility is not supported in the vGICv3 driver,
> the bit ARE_NS is RAO/WI.
> 
> Furthermore, when ARE_NS is set, the guest can only modify EnableGrp1A.
> 
> At same time take the vgic_lock to write into domain.arch.vgic.ctrl. It
> was already taken during read.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>



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