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

[Balbir Singh]

On Tue, Feb 07, 2017 at 12:09:27AM +0530, Aneesh Kumar K.V wrote:
> 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 at 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

Acked-by: Balbir Singh <bsingharora at gmail.com>