tree 67807a7183662e7c3c33756afe87ff68bedeece4
parent 08cbb7055309af3b2e525f3313e4dc215644ff30
author Marc Zyngier <maz@kernel.org> 1755447567 +0100
committer Marc Zyngier <maz@kernel.org> 1755461877 +0100

KVM: arm64: Make ID_AA64PFR1_EL1.RAS_frac writable

Allow userspace to write to RAS_frac, under the condition that
the host supports RASv1p1 with RAS_frac==1. Other configurations
will result in RAS_frac being exposed as 0, and therefore implicitly
not writable.

To avoid the clutter, the ID_AA64PFR1_EL1 sanitisation is moved to
its own function.

Signed-off-by: Marc Zyngier <maz@kernel.org>