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powerpc/mm: Revert "powerpc/mm: Remove DEBUG_VM_PGTABLE support on powerpc" 

This reverts commit 675bceb097 ("powerpc/mm: Remove DEBUG_VM_PGTABLE support on powerpc")

All the related issues are fixed as of commit:
  f14312e1ed ("mm/debug_vm_pgtable: avoid doing memory allocation with pgtable_t mapped.")

Hence re-enable it.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210318034855.74513-1-aneesh.kumar@linux.ibm.com
This commit is contained in:
Aneesh Kumar K.V 2021-03-18 09:18:55 +05:30 committed by Michael Ellerman
parent 11d92156f7
commit 937c49d10b
2 changed files with 2 additions and 1 deletions
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2
Documentation/features/debug/debug-vm-pgtable/arch-support.txt
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@ -21,7 +21,7 @@
| nios2: | TODO |
| openrisc: | TODO |
| parisc: | TODO |
| powerpc: | TODO |
| powerpc: | ok |
| riscv: | ok |
| s390: | ok |
| sh: | TODO |

1
arch/powerpc/Kconfig
View File

@ -119,6 +119,7 @@ config PPC
#
select ARCH_32BIT_OFF_T if PPC32
select ARCH_HAS_DEBUG_VIRTUAL
select ARCH_HAS_DEBUG_VM_PGTABLE
select ARCH_HAS_DEVMEM_IS_ALLOWED
select ARCH_HAS_ELF_RANDOMIZE
select ARCH_HAS_FORTIFY_SOURCE