Re: [Xen-devel] [PATCH v4 04/10] xen/arm: set GICH_HCR_UIE if all the LRs are in use

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 03/19/2014 12:31 PM, Stefano Stabellini wrote:
> On return to guest, if there are no free LRs and we still have more
> interrupt to inject, set GICH_HCR_UIE so that we are going to receive a
> maintenance interrupt when no pending interrupts are present in the LR
> registers.
> The maintenance interrupt handler won't do anything anymore, but
> receiving the interrupt is going to cause gic_inject to be called on
> return to guest that is going to clear the old LRs and inject new
> interrupts.
> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Acked-by: Julien Grall <julien.grall@xxxxxxxxxx>

-- 
Julien Grall

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