KVM: arm64: Force guest's HCR_EL2.E2H RES1 when NV1 is not implemented

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If NV1 isn't supported on a system, make sure we always evaluate
the guest's HCR_EL2.E2H as RES1, irrespective of what the guest
may have written there.

Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240122181344.258974-10-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>

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Marc Zyngier 2024-01-22 18:13:43 +00:00 • committed by Oliver Upton

parent c21df6e43f

commit 94f29ab2d8

2 changed files with 13 additions and 2 deletions

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3

arch/arm64/include/asm/kvm_emulate.h

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12

arch/arm64/kvm/sys_regs.c

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