Re: [Xen-devel] [PATCH v4 01/10] xen/arm: no need to set HCR_VI when using the vgic to inject irqs

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2014-03-19 at 12:31 +0000, Stefano Stabellini wrote:
> HCR_VI forces the guest to resume execution in IRQ mode and can actually
> cause spurious interrupt injections.
> The GIC is capable of injecting interrupts into the guest and causing it
> to switch to IRQ mode automatically, without any need for the hypervisor
> to set HCR_VI manually.
> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

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

Do you happen to have a chapter number from the ARM ARM and/or the GIC
spec to confirm what you say here? If so please can you include them.

(did I fail to hit send, I guess so... )


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