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powerpc: Refactor update_mmu_cache_range()

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On nohash, this function voids except for E500 with hugepages.

On book3s, this function is for hash MMUs only.

Combine those tests and rename E500 update_mmu_cache_range()
as __update_mmu_cache() which gets called by
update_mmu_cache_range().

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/b029842cb6783cbeb43d202e69a90341d65295a4.1695659959.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2023-09-25 20:31:20 +02:00 • committed by Michael Ellerman
commit da9554e0fe
4 changed files with 20 additions and 41 deletions
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