Re: [PATCH] powerpc/powernv: Fix powernv Kconfig dependencies

[Anshuman Khandual]

On 04/10/2017 10:54 AM, Alistair Popple wrote:
> The patch to introduce address translation services for Nvlink2 uses
> MMU notifiers. However usage of MMU notifiers requires a Kconfig
> option which is not selected by default on powerpc so add it to the
> powernv Kconfig.

We would also need this for HMM enablement on powerpc going forward.

[PATCH] powerpc/powernv: Fix powernv Kconfig dependencies

[Alistair Popple]

The patch to introduce address translation services for Nvlink2 uses
MMU notifiers. However usage of MMU notifiers requires a Kconfig
option which is not selected by default on powerpc so add it to the
powernv Kconfig.

Signed-off-by: Alistair Popple 
---
 arch/powerpc/platforms/powernv/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/platforms/powernv/Kconfig 
b/arch/powerpc/platforms/powernv/Kconfig
index 3a07e4d..76b8eca 100644
--- a/arch/powerpc/platforms/powernv/Kconfig
+++ b/arch/powerpc/platforms/powernv/Kconfig
@@ -19,6 +19,7 @@ config PPC_POWERNV
select CPU_FREQ_GOV_ONDEMAND
select CPU_FREQ_GOV_CONSERVATIVE
select PPC_DOORBELL
+   select MMU_NOTIFIER
default y
 
 config OPAL_PRD
-- 
2.1.4