Changeset 79075 in vbox for trunk/include

Timestamp:

Jun 11, 2019 6:09:40 AM (6 years ago)

Author:

vboxsync

Message:

hm_vmx.h: Nested VMX: bugref:9180 Comment.

File:

trunk/include/VBox/vmm/hm_vmx.h

-              r79029
+              r79075
 /**
  * Virtual VMCS.
- * This is our custom format and merged into the actual VMCS (/shadow) when we
- * execute nested-guest code using hardware-assisted VMX.
+ *
+ * The first 8 bytes are as per Intel spec. 24.2 "Format of the VMCS Region".
+ * This is our custom format. Relevant fields from this VMCS will be merged into the
+ * actual VMCS (/shadow) when we execute nested-guest code using hardware-assisted
+ * VMX.
+ *
+ * The first 8 bytes must be in accordance with Intel spec. 24.2 "Format of the VMCS
+ * Region".
+ *
  * The offset and size of the VMCS state field (fVmcsState) is also fixed (not by
+ * Intel but for our own requirements) as we use it to offset into guest memory.
+ * the Intel spec. but for our own requirements) as we use it to offset into guest
+ * memory.
+ *
  * Although the guest is supposed to access the VMCS only through the execution of

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