tree 9b384e277452dacf60078c979b87c780bbc0cc97
parent 74585fcb7b3ccb35135e2418dd66251022a916e5
author Catalin Marinas <catalin.marinas@arm.com> 1565883840 +0100
committer Will Deacon <will@kernel.org> 1566321475 +0100

arm64: Tighten the PR_{SET, GET}_TAGGED_ADDR_CTRL prctl() unused arguments

Require that arg{3,4,5} of the PR_{SET,GET}_TAGGED_ADDR_CTRL prctl and
arg2 of the PR_GET_TAGGED_ADDR_CTRL prctl() are zero rather than ignored
for future extensions.

Acked-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>