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| author | Paolo Bonzini <pbonzini@redhat.com> | 2013-05-06 18:23:38 +0200 |
|---|---|---|
| committer | Michael Tokarev <mjt@tls.msk.ru> | 2013-05-12 13:25:55 +0400 |
| commit | 2d40178a33293603a06fdf3c0fd9988322bc5fda (patch) | |
| tree | 9da89a96db417848103bfec51702662c92f889f5 /docs | |
| parent | 59d827629360097caa9a4f160680affde84cb4c8 (diff) | |
| download | qemu-2d40178a33293603a06fdf3c0fd9988322bc5fda.zip qemu-2d40178a33293603a06fdf3c0fd9988322bc5fda.tar.gz qemu-2d40178a33293603a06fdf3c0fd9988322bc5fda.tar.bz2 | |
docs: mention AddressSpaces in docs/memory.txt
Reported-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/memory.txt | 11 |
1 files 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 ---------------- |