On Wed, Jun 26, 2019 at 02:27:22PM +0200, Christoph Hellwig wrote: > The ZONE_DEVICE support doesn't depend on anything HMM related, just on > various bits of arch support as indicated by the architecture. Also > don't select the option from nouveau as it isn't present in many setups, > and depend on it instead. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx> > --- > drivers/gpu/drm/nouveau/Kconfig | 2 +- > mm/Kconfig | 5 ++--- > 2 files changed, 3 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig > index dba2613f7180..6303d203ab1d 100644 > --- a/drivers/gpu/drm/nouveau/Kconfig > +++ b/drivers/gpu/drm/nouveau/Kconfig > @@ -85,10 +85,10 @@ config DRM_NOUVEAU_BACKLIGHT > config DRM_NOUVEAU_SVM > bool "(EXPERIMENTAL) Enable SVM (Shared Virtual Memory) support" > depends on ARCH_HAS_HMM > + depends on DEVICE_PRIVATE > depends on DRM_NOUVEAU > depends on STAGING > select HMM_MIRROR > - select DEVICE_PRIVATE > default n > help > Say Y here if you want to enable experimental support for > diff --git a/mm/Kconfig b/mm/Kconfig > index 6f35b85b3052..eecf037a54b3 100644 > --- a/mm/Kconfig > +++ b/mm/Kconfig > @@ -677,13 +677,13 @@ config ARCH_HAS_HMM_MIRROR > > config ARCH_HAS_HMM > bool > - default y > depends on (X86_64 || PPC64) > depends on ZONE_DEVICE > depends on MMU && 64BIT > depends on MEMORY_HOTPLUG > depends on MEMORY_HOTREMOVE > depends on SPARSEMEM_VMEMMAP > + default y > > config MIGRATE_VMA_HELPER > bool > @@ -709,8 +709,7 @@ config HMM_MIRROR > > config DEVICE_PRIVATE > bool "Unaddressable device memory (GPU memory, ...)" > - depends on ARCH_HAS_HMM > - select HMM > + depends on ZONE_DEVICE > select DEV_PAGEMAP_OPS > > help > -- > 2.20.1 >