| 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 |