tree b8ad4ee04c2d151a361863a7bbb65b82d547c1cf
parent b79237c4eadebf2d40ccb55734dd86fc6cbbc803
author Marc Zyngier <maz@kernel.org> 1634474545 +0100
committer Greg Kroah-Hartman <gregkh@google.com> 1647532309 +0100

UPSTREAM: arm64: Add HWCAP for self-synchronising virtual counter

commit fee29f008aa3f2aff01117f28b57b1145d92cb9b upstream.

Since userspace can make use of the CNTVSS_EL0 instruction, expose
it via a HWCAP.

Bug: 215557547
Suggested-by: Will Deacon <will@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211017124225.3018098-18-maz@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I8d2253c57bb5690135392b84d55bfb854a780b00