blob: 7755fcb193c85ba9cd81748b6c2603546d6ea649 [file] [log] [blame]
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