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powerpc/32: always populate page tables for Abatron BDI. 

When CONFIG_BDI_SWITCH is set, the page tables have to be populated
allthough large TLBs are used, because the BDI switch knows nothing
about those large TLBs which are handled directly in TLB miss logic.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2019-02-21 19:08:41 +00:00 committed by Michael Ellerman
parent 9e849f231c
commit d2f15e0979
1 changed files with 4 additions and 1 deletions
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arch/powerpc/mm/pgtable_32.c
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@ -263,7 +263,10 @@ void __init mapin_ram(void)
if (base >= top)
continue;
base = mmu_mapin_ram(base, top);
__mapin_ram_chunk(base, top);
if (IS_ENABLED(CONFIG_BDI_SWITCH))
__mapin_ram_chunk(reg->base, top);
else
__mapin_ram_chunk(base, top);
}
}