This is a note to let you know that I've just added the patch titled powerpc/mm: Add MMU_FTR_KERNEL_RO to possible feature mask to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: powerpc-mm-add-mmu_ftr_kernel_ro-to-possible-feature-mask.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From a5ecdad4847897007399d7a14c9109b65ce4c9b7 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx> Date: Tue, 7 Feb 2017 00:09:27 +0530 Subject: powerpc/mm: Add MMU_FTR_KERNEL_RO to possible feature mask 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 Patches currently in stable-queue which might be from aneesh.kumar@xxxxxxxxxxxxxxxxxx are queue-4.9/powerpc-mm-add-mmu_ftr_kernel_ro-to-possible-feature-mask.patch queue-4.9/powerpc-mm-hash-always-clear-uprt-and-host-radix-bits-when-setting-up-cpu.patch