4.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx> commit a5ecdad4847897007399d7a14c9109b65ce4c9b7 upstream. 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.kumar@xxxxxxxxxxxxxxxxxx> Acked-by: Balbir Singh <bsingharora@xxxxxxxxx> Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/powerpc/include/asm/mmu.h | 1 + 1 file changed, 1 insertion(+) --- 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