[dpdk-dev] [PATCH v2 07/16] Add support for VFIO interrupts, add VFIO header

[Burakov, Anatoly]

Hi Thomas,

> > I don't know if there is something defined in a Linux header which could
> help
> > to check if VFIO is supported. But in general, it's better to check for a macro
> > belonging to the feature instead of checking kernel version.
> 
> Not sure VFIO defines any macros anywhere, but I'll look into it, thanks.
> 

There probably isn't. At least I don't see anything in commit log. So unless there's a way to get config options from kernel at compile-time in userspace code, I don't think we can do anything else than kernel version check.

Best regards,
Anatoly Burakov
DPDK SW Engineer