powerpc: implementation for arch_override_mprotect_pkey()

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arch independent code calls arch_override_mprotect_pkey()
to return a pkey that best matches the requested protection.

This patch provides the implementation.

Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Ram Pai 2018-01-18 17:50:34 -08:00 • committed by Michael Ellerman

parent 013a91b39c

commit 87bbabbed8

3 changed files with 61 additions and 1 deletions

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5

arch/powerpc/include/asm/mmu_context.h

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21

arch/powerpc/include/asm/pkeys.h

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36

arch/powerpc/mm/pkeys.c

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