powerpc/book3s64/pkeys: Prevent key 1 modification from userspace.

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Key 1 is marked reserved by ISA. Setup uamor to prevent userspace modification
of the same.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200709032946.881753-8-aneesh.kumar@linux.ibm.com

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Aneesh Kumar K.V 2020-07-09 08:59:30 +05:30 • committed by Michael Ellerman

parent f491fe3fb4

commit 718d9b3801

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arch/powerpc/mm/book3s64/pkeys.c

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