powerpc/64s: move the hash fault handling logic to C

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The fault handling still has some complex logic particularly around
hash table handling, in asm. Implement most of this in C.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210130130852.2952424-6-npiggin@gmail.com

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Nicholas Piggin 2021-01-30 23:08:15 +10:00 • committed by Michael Ellerman

parent 36f0114140

commit a4922f5442

3 changed files with 78 additions and 127 deletions

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1

arch/powerpc/include/asm/book3s/64/mmu-hash.h

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127

arch/powerpc/kernel/exceptions-64s.S

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77

arch/powerpc/mm/book3s64/hash_utils.c

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