Merge branch kvm-arm64/pkvm/restrict-hypercalls into kvmarm-master/next

* kvm-arm64/pkvm/restrict-hypercalls:
  : .
  : Restrict the use of some hypercalls as well as kexec once
  : the protected KVM mode has been initialised.
  : .
  Documentation: admin-guide: Document side effects when pKVM is enabled

Signed-off-by: Marc Zyngier <[email protected]>

Author: Marc Zyngier

Documentation/admin-guide/kernel-parameters.txt

@@ -2374,7 +2374,9 @@
 				   state is kept private from the host.
 				   Not valid if the kernel is running in EL2.
 
-			Defaults to VHE/nVHE based on hardware support.
+			Defaults to VHE/nVHE based on hardware support. Setting
+			mode to "protected" will disable kexec and hibernation
+			for the host.
 
 	kvm-arm.vgic_v3_group0_trap=
 			[KVM,ARM] Trap guest accesses to GICv3 group-0