sparc64: Add ADI capability to cpu capabilities

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Add ADI (Application Data Integrity) capability to cpu capabilities list.
ADI capability allows virtual addresses to be encoded with a tag in
bits 63-60. This tag serves as an access control key for the regions
of virtual address with ADI enabled and a key set on them. Hypervisor
encodes this capability as "adp" in "hwcap-list" property in machine
description.

Signed-off-by: Khalid Aziz <khalid.aziz@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Khalid Aziz 2015-12-17 10:33:50 -07:00 • committed by David S. Miller

parent 01fd3c2744

commit 82924e542f

2 changed files with 6 additions and 4 deletions

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1

arch/sparc/include/asm/elf_64.h

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9

arch/sparc/kernel/setup_64.c

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