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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>
This commit is contained in:
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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arch/powerpc/include/asm/mmu_context.h
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@@ -192,5 +192,6 @@ static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
/* by default, allow everything */
return true;
}
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_MMU_CONTEXT_H */