On Wed, May 20, 2015 at 9:01 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote: > On Wednesday 20 May 2015 13:32:33 Thierry Reding wrote: >> >> Since these are all static functions, perhaps an "if (IS_ENABLED(...))" >> would work here? That way you'd get compile coverage of the code in all >> cases. > > I had the same thought at first. > >> But perhaps that doesn't work for IOMMU. I have a vague memory of >> running across something like this before and IOMMU has this quirk of >> defining struct iommu_ops as empty if IOMMU_API is deselected so you'll >> probably get compiler errors unless you actually preprocess the code >> out. > > Exactly. That's precisely the issue here, so not covering this code is exactly what we want if !CONFIG_IOMMU. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel