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Re: [Xen-devel] [RFC 09/14] xen/xsm: flask: MSI is PCI specific

Hi Ian,

On 03/14/2014 05:25 PM, Ian Campbell wrote:
> On Thu, 2014-03-13 at 14:40 +0000, Julien Grall wrote:
>> Right, nr_static_irqs is set to 1024 on ARM. For now every IRQs, are not
>> higher than this number.
> This will change before long though. Would HAVE_MSI_IRQS be a better
> name for this particular arch-configurable? After all PCI without MSI is
> plausible isn't it? (well, maybe not in the modern world)

Most of PCI passthrough code is relying that MSI is also implemented.
Futhermore, I think the plan for ARM is to support both PCI and MSI.
That's why I chose HAS_PCI.


Julien Grall

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