[PATCH] KVM: arm64: vgic-v3: Trap all if no in-kernel irqchip

[Sebastian Ott]

On Tue, 21 Oct 2025, Sascha Bischoff wrote:

> If there is no in-kernel irqchip for a GICv3 host set all of the trap
> bits to block all accesses. This fixes the no-vgic-v3 selftest again.
>
> Fixes: 3193287ddffb ("KVM: arm64: gic-v3: Only set ICH_HCR traps for v2-on-v3 or v3 guests")
> Reported-by: Mark Brown <broonie at kernel.org>
> Closes: https://lore.kernel.org/all/23072856-6b8c-41e2-93d1-ea8a240a7079@sirena.org.uk
> Signed-off-by: Sascha Bischoff <sascha.bischoff at arm.com>

Reviewed-by: Sebastian Ott <sebott at redhat.com>