powerpc/mm: PTE_ATOMIC_UPDATES is only for 40x

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Only 40x still uses PTE_ATOMIC_UPDATES.
40x cannot not select CONFIG_PTE64_BIT.

Drop handling of PTE_ATOMIC_UPDATES:
- In nohash/64
- In nohash/32 for CONFIG_PTE_64BIT

Keep PTE_ATOMIC_UPDATES only for nohash/32 for !CONFIG_PTE_64BIT

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/d6f8e1f46583f1842de24581a68b0496feb15516.1589866984.git.christophe.leroy@csgroup.eu

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This commit is contained in:

Christophe Leroy 2020-05-19 05:49:00 +00:00 • committed by Michael Ellerman

parent 4e3319c23a

commit fadaac67c9

2 changed files with 1 additions and 44 deletions

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17

arch/powerpc/include/asm/nohash/32/pgtable.h

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28

arch/powerpc/include/asm/nohash/64/pgtable.h

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