arm64: Document ICC_CTLR_EL3.PMHE setting requirements
authorMarc Zyngier <maz@kernel.org>
Wed, 2 Oct 2019 09:06:13 +0000 (10:06 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Tue, 15 Oct 2019 11:26:15 +0000 (12:26 +0100)
commit7e3a57fa6ca831fa232a7cd4659eaed674236810
tree7fd7d5d9cbd63cc17d7901d92260b5470450f79e
parentf226650494c6aa87526d12135b7de8b8c074f3de
arm64: Document ICC_CTLR_EL3.PMHE setting requirements

It goes without saying, but better saying it: the kernel expects
ICC_CTLR_EL3.PMHE to have the same value across all CPUs, and
for that setting not to change during the lifetime of the kernel.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Documentation/arm64/booting.rst