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Re: [Xen-devel] [PATCH v3 2/6] xen/arm: Initialize correctly IRQ routing



On Wed, 2013-09-18 at 14:15 +0100, Julien Grall wrote:
> When Xen initialize the GIC distributor, we need to route all the IRQs to
> the boot CPU. The CPU ID can differ between Xen and the GIC.
> 
> When ITARGETSR0 is read, each field will return a value that corresponds
> only to the processor reading the register. So Xen can use the PPI 0 to
> initialize correctly the routing.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>

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



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