Re: [Xen-devel] [PATCH for-4.6 0/5] xen: arm: Parse PCI DT nodes' ranges and interrupt-map

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 18.02.15 at 01:31, <suravee.suthikulpanit@xxxxxxx> wrote:
> On 2/17/2015 4:35 PM, Suravee Suthikulanit wrote:
>> Ok, now that I look at the arch/arm/physdev.c, I don't think the code
>> for supporting any of the PHYSDEVOP_xxx is there.  That's probably why
>> Xen complains. In contrast, arch/x86/physdev.c has most PHYSDEVOP_xxx
>> already supported.
>>
>> My question is, are we supposed to be adding code to put the support in
>> here?
> 
> My guess is yes, and that would mean we need to enable building 
> drivers/pci.c when building arm code, which then open up a can of worms 
> with re-factoring MSI support code from x86 and etc.

As you said later, that's pass-through related, i.e. not immediately
needed. Right now - to get rid of those messages - you'd have to
simply stub out the respective physdevop-s as much as is necessary
to no longer emit log messages and no longer return an error on
valid input.

Jan



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