[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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



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

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.