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arm64: Get rid of CONFIG_ARM64_VHE

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CONFIG_ARM64_VHE was introduced with ARMv8.1 (some 7 years ago),
and has been enabled by default for almost all that time.

Given that newer systems that are VHE capable are finally becoming
available, and that some systems are even incapable of not running VHE,
drop the configuration altogether.

Anyone willing to stick to non-VHE on VHE hardware for obscure
reasons should use the 'kvm-arm.mode=nvhe' command-line option.

Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20210408131010.1109027-4-maz@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Marc Zyngier 2021-04-08 14:10:10 +01:00 • committed by Catalin Marinas
parent 31a32b49b8
commit 2d726d0db6
4 changed files with 1 additions and 28 deletions
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3
Documentation/admin-guide/kernel-parameters.txt
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@ -2279,8 +2279,7 @@
state is kept private from the host.
Not valid if the kernel is running in EL2.
Defaults to VHE/nVHE based on hardware support and
the value of CONFIG_ARM64_VHE.
Defaults to VHE/nVHE based on hardware support.
kvm-arm.vgic_v3_group0_trap=
[KVM,ARM] Trap guest accesses to GICv3 group-0