KVM: arm64: Remove KVM_ARM_VCPU_POWER_OFF from protected VMs allowed features in pKVM

The hypervisor is responsible for the power state of protected
VMs in pKVM. Therefore, remove KVM_ARM_VCPU_POWER_OFF from the
list of allowed features for protected VMs.

Signed-off-by: Fuad Tabba <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Marc Zyngier <[email protected]>

Author: Fuad Tabba

arch/arm64/kvm/hyp/nvhe/pkvm.c

@@ -331,10 +331,8 @@ static void pkvm_init_features_from_host(struct pkvm_hyp_vm *hyp_vm, const struc
 
 	/*
 	 * For protected VMs, always allow:
-	 * - CPU starting in poweroff state
 	 * - PSCI v0.2
 	 */
-	set_bit(KVM_ARM_VCPU_POWER_OFF, allowed_features);
 	set_bit(KVM_ARM_VCPU_PSCI_0_2, allowed_features);
 
 	/*