powerpc: initial pkey plumbing

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Basic  plumbing  to   initialize  the   pkey  system.
Nothing is enabled yet. A later patch will enable it
once all the infrastructure is in place.

Signed-off-by: Ram Pai <linuxram@us.ibm.com>
[mpe: Rework copyrights to use SPDX tags]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Ram Pai 2018-01-18 17:50:24 -08:00 • committed by Michael Ellerman

parent b1db551324

commit 92e3da3cf1

6 changed files with 98 additions and 0 deletions

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15

arch/powerpc/Kconfig

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1

arch/powerpc/include/asm/mmu_context.h

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51

arch/powerpc/include/asm/pkeys.h

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1

arch/powerpc/mm/Makefile

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1

arch/powerpc/mm/hash_utils_64.c

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29

arch/powerpc/mm/pkeys.c

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