[dpdk-dev] [PATCH 1/2] vfio: use ifdef's for ppc64 spapr code

[Burakov, Anatoly]

On 30-Apr-20 5:22 PM, David Christensen wrote:
>>> Enclose ppc64 specific SPAPR VFIO support with ifdef's.
>>>
>>> Signed-off-by: David Christensen <drc at linux.vnet.ibm.com>
>>> ---
>>
>> Why is this needed?
> 
> It's hardware specific to the PPC64 platform.  I don't know of a 
> situation where the IOMMU would be present on other hardware.  Even 
> running a VM in KVM/QEMU on a PPC64 platform results in a SPAPR V1 IOMMU 
> which isn't supported in DPDK.
> 
> Dave

Yes, but generally #ifdef's are there for detecting compile-time 
conditions. Is there anything specific to that code that would cause 
trouble when compiled on other platforms?

-- 
Thanks,
Anatoly