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(parent: 9026857) | patch
arm64: Document the requirement for SCR_EL3.HCE
authorMarc Zyngier <maz@kernel.org>
Thu, 12 Aug 2021 19:02:13 +0000 (20:02 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Tue, 24 Aug 2021 15:44:23 +0000 (16:44 +0100)
commite3849765037b85e61b2432ded488ee9fb3ff126d
tree6f7986946f8060bbf531a4763b1a4e70abd9b401tree | snapshot
parent90268574a3e8a6b883bd802d702a2738577e1006commit | diff
arm64: Document the requirement for SCR_EL3.HCE

It is amazing that we never documented this absolutely basic
requirement: if you boot the kernel at EL2, you'd better
enable the HVC instruction from EL3.

Really, just do it.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20210812190213.2601506-6-maz@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Documentation/arm64/booting.rst diff | blob | history
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