KVM: arm64: Check advertised Stage-2 page size capability

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With ARMv8.5-GTG, the hardware (or more likely a hypervisor) can
advertise the supported Stage-2 page sizes.

Let's check this at boot time.

Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>

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Marc Zyngier 2020-05-28 14:12:58 +01:00 • committed by Will Deacon

parent 3577dd37c7

commit b130a8f70c

5 changed files with 58 additions and 6 deletions

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2

arch/arm64/include/asm/kvm_host.h

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3

arch/arm64/include/asm/sysreg.h

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18

arch/arm64/kernel/cpufeature.c

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37

arch/arm64/kvm/reset.c

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4

virt/kvm/arm/arm.c

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