KVM: arm64: hide MOPS from guests

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As FEAT_MOPS is not supported in guests yet, hide it from the ID
registers for guests.

The MOPS instructions are UNDEFINED in guests as HCRX_EL2.MSCEn is not
set in HCRX_GUEST_FLAGS, and will take an exception to EL1 if executed.

Signed-off-by: Kristina Martsenko <kristina.martsenko@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Acked-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20230509142235.3284028-7-kristina.martsenko@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Kristina Martsenko 2023-05-09 15:22:30 +01:00 • committed by Catalin Marinas

parent b1319c0e95

commit 3172613fbc

1 changed files with 1 additions and 0 deletions

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arch/arm64/kvm/sys_regs.c

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