KVM: arm64: Make AMU sysreg UNDEF if FEAT_AMU is not advertised to the guest

No AMU? No AMU! IF we see an AMU-related trap, let's turn it into
an UNDEF!

Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240214131827.2856277-24-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
This commit is contained in:
Marc Zyngier 2024-02-14 13:18:24 +00:00 • committed by Oliver Upton
commit b03e8bb5a9