RE: [EXTERNAL] Re: [PATCH v2 2/2] PCI: hv: Support for Hyper-V vPCI for ARM64

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On Friday, October 8, 2021 12:23 PM
Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:

> Subject line should start with a verb telling us what this does.
> 
> On Fri, Oct 08, 2021 at 05:21:29PM +0000, Sunil Muthuswamy wrote:
> > This patch adds support for Hyper-V vPCI by adding a PCI MSI
> > IRQ domain specific to Hyper-V that is based on SPIs. The IRQ
> > domain parents itself to the arch GIC IRQ domain for basic
> > vector management.
> 
> Same "This patch adds ..." comment as for patch 1/2.  You could say
> something like "Add support ...".  It would also be good to include
> "ARM64" since I think that's the point here.
> 
Point noted, thanks.

> > +	/* Delivery mode: Fixed */
> > +	*delivery_mode = 0;
> 
> Why not APIC_DELIVERY_MODE_FIXED as you used for x86?
> 
That is because 'APIC_DELIVERY_MODE_FIXED' is defined under
'arch/x86' and I didn't see an equivalent definition for ARM64.

- Sunil




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