[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH] docs: mention AddressSpaces in docs/memory.txt
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH] docs: mention AddressSpaces in docs/memory.txt |
Date: |
Mon, 6 May 2013 18:23:38 +0200 |
Reported-by: David Gibson <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
docs/memory.txt | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/docs/memory.txt b/docs/memory.txt
index 5bbee8e..feb9fe9 100644
--- a/docs/memory.txt
+++ b/docs/memory.txt
@@ -15,10 +15,13 @@ The memory model provides support for
- setting up coalesced memory for kvm
- setting up ioeventfd regions for kvm
-Memory is modelled as a tree (really acyclic graph) of MemoryRegion objects.
-The root of the tree is memory as seen from the CPU's viewpoint (the system
-bus). Nodes in the tree represent other buses, memory controllers, and
-memory regions that have been rerouted. Leaves are RAM and MMIO regions.
+Memory is modelled as an acyclic graph of MemoryRegion objects. Sinks
+(leaves) are RAM and MMIO regions, while other nodes represent
+buses, memory controllers, and memory regions that have been rerouted.
+
+In addition to MemoryRegion objects, the memory API provides AddressSpace
+objects for every root and possibly for intermediate MemoryRegions too.
+These represent memory as seen from the CPU or a device's viewpoint.
Types of regions
----------------
--
1.8.2
- [Qemu-devel] [PATCH] docs: mention AddressSpaces in docs/memory.txt,
Paolo Bonzini <=