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linux/arch
Yicong Yang dea58da4b6 arm64: Provide basic EL2 setup for FEAT_{LS64, LS64_V} usage at EL0/1
Instructions introduced by FEAT_{LS64, LS64_V} is controlled by
HCRX_EL2.{EnALS, EnASR}. Configure all of these to allow usage
at EL0/1.

This doesn't mean these instructions are always available in
EL0/1 if provided. The hypervisor still have the control at
runtime.

Acked-by: Will Deacon <will@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Oliver Upton <oupton@kernel.org>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Will Deacon <will@kernel.org>
2026-01-22 13:24:49 +00:00
..
2025-12-08 15:42:41 +01:00