Document that the CPU must start in HYP mode.
diff --git a/Documentation/arm/Booting b/Documentation/arm/Booting
index a341d87..7be3060 100644
@@ -154,7 +154,10 @@
- CPU mode
All forms of interrupts must be disabled (IRQs and FIQs)
- The CPU must be in SVC mode. (A special exception exists for Angel)
+ The CPU must be in HYP mode if supported by hardware, or SVC mode
+ otherwise. Starting in HYP mode is required for big.LITTLE and
+ virtualization support. Virtualized guests always start in SVC mode.
+ A special exemption exists for Angel.
- Caches, MMUs
The MMU must be off.