[PATCH] powerpc/mm: Add MMU_FTR_KERNEL_RO to possible feature mask

[Aneesh Kumar K.V]

Without this we will always find the feature disabled

Fixes: 984d7a1ec6 ("powerpc/mm: Fixup kernel read only mapping")
Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
---
 arch/powerpc/include/asm/mmu.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index a34c764ca8dd..e5616bf83623 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -136,6 +136,7 @@ enum {
                MMU_FTR_NO_SLBIE_B | MMU_FTR_16M_PAGE | MMU_FTR_TLBIEL |
                MMU_FTR_LOCKLESS_TLBIE | MMU_FTR_CI_LARGE_PAGE |
                MMU_FTR_1T_SEGMENT | MMU_FTR_TLBIE_CROP_VA |
+               MMU_FTR_KERNEL_RO |
 #ifdef CONFIG_PPC_RADIX_MMU
                MMU_FTR_TYPE_RADIX |
 #endif
-- 
2.7.4