Re: [Xen-devel] [PATCH v4 15/33] xen/arm: gic: GICv2 & GICv3 only supports 1020 physical interrupts

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Thu, 2015-03-19 at 19:29 +0000, Julien Grall wrote:
> GICD_TYPER.ITLinesNumber can encode up to 1024 interrupts. Although,
> IRQ 1020-1023 are reserved for special purpose.
> 
> The result is used by the callers of gic_number_lines in order to check
> the validity of an IRQ.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
> Cc: Frediano Ziglio <frediano.ziglio@xxxxxxxxxx>
> Cc: Zoltan Kiss <zoltan.kiss@xxxxxxxxxx>

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



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