Re: [PATCH 2/2] nouveau: fix dependencies for DEVICE_PRIVATE

On Fri, May 08, 2020 at 04:40:09PM +0200, Arnd Bergmann wrote:

CONFIG_DEVICE_PRIVATE cannot be selected in configurations without ZONE_DEVICE:

WARNING: unmet direct dependencies detected for DEVICE_PRIVATE Depends on [n]: ZONE_DEVICE [=n] Selected by [y]:

• DRM_NOUVEAU_SVM [=y] && HAS_IOMEM [=y] && DRM_NOUVEAU [=y] && MMU [=y] && STAGING [=y]

kernel/resource.c:1653:28: error: use of undeclared identifier 'PA_SECTION_SHIFT' size = ALIGN(size, 1UL << PA_SECTION_SHIFT); ^ kernel/resource.c:1654:48: error: use of undeclared identifier 'MAX_PHYSMEM_BITS'

Add a dependency for Nouveau to avoid broken randconfig builds.

Fixes: d2c63df2242e ("mm/hmm: make CONFIG_DEVICE_PRIVATE into a select")

I've reverted the patch this fixes, it seems more trouble than it is worth.

Thanks, Jason