[dpdk-dev] [PATCH] vfio: don't silently drop VFIO support

Burakov, Anatoly anatoly.burakov at intel.com
Thu Apr 23 10:51:11 CEST 2015


Hi Stephen,

> What we ended up doing is a second patch to have a "compat_vfio.h" file to
> allow building on older systems. I will send that as a follow on.

I would argue it should be part of this series, as without them the patch breaks compilation on older kernels.

> The problem is compounded by the fact that VFIO or not has to be decided
> by startup scripts prior to starting the DPDK application. The startup scripts
> have no way of knowing that the DPDK application was built with broken
> VFIO support. That is why I think the original method with VFIO_PRESENT
> was not the correct way to handle this.

That makes sense, so no more objections from me :-)

Thanks,
Anatoly


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