From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@linaro.org>
Subject: Re: [RFC 06/19] xen/arm: Implement hypercall
	PHYSDEVOP_map_pirq
Date: Tue, 19 Aug 2014 09:24:51 -0500
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To: Andrii Tseglytskyi <andrii.tseglytskyi@globallogic.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>, Tim Deegan <tim@xen.org>, Ian Campbell <Ian.Campbell@citrix.com>, Stefano Stabellini <stefano.stabellini@citrix.com>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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Hello Andrii,


On 19/08/14 04:11, Andrii Tseglytskyi wrote:
>> OOI, why do you need Virtual IRQ == Physical IRQ?
>>
>
> Because I have few devices in DomU, which use hardcoded IRQ numbers.
>
> BTW - which code allocates IRQ number dynamically? My code is almost
> the same and I have 1 to 1 in domU ?

With this series, the toolstack is deciding the number of SPIs (see 
xen_domctl_configure_domain domctl).

Then when map_pirq is called, the function vgic_allocate_irq allocates 
the SPIs number.

Regards,

-- 
Julien Grall