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TLBI ALLE1* is a pretty big hammer that invalides all S1/S2 TLBs.

This translates into the unmapping of all our shadow S2 PTs, itself
resulting in the corresponding TLB invalidations.
Co-developed-by: Jintack Lim <jintack.lim@linaro.org>
Co-developed-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Jintack Lim <jintack.lim@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-10-maz@kernel.org

Signed-off-by: Oliver Upton <oliver.upton@linux.dev>