Patch "powerpc/mm: Add MMU_FTR_KERNEL_RO to possible feature mask" has been added to the 4.9-stable tree

Patch "powerpc/mm: Add MMU_FTR_KERNEL_RO to possible feature mask" has been added to the 4.9-stable tree

[gregkh]

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@vger.kernel.org> know about it.


>From a5ecdad4847897007399d7a14c9109b65ce4c9b7 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
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@linux.vnet.ibm.com>

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@linux.vnet.ibm.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 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@linux.vnet.ibm.com 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