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| author | Anthony Liguori <aliguori@us.ibm.com> | 2013-05-13 09:44:25 -0500 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2013-05-13 09:44:25 -0500 |
| commit | f6e136e47a6adc176cb53a24cf5a515ca09f977f (patch) | |
| tree | 6ba37c38ba2dd0af4a3f889f7c1f9e88c609f984 /docs | |
| parent | 879367efba1f2e9733ff76d03041324b5b76f645 (diff) | |
| parent | 98b2d199c109c9eabebb70965db0ae24f3f75a79 (diff) | |
| download | qemu-f6e136e47a6adc176cb53a24cf5a515ca09f977f.zip qemu-f6e136e47a6adc176cb53a24cf5a515ca09f977f.tar.gz qemu-f6e136e47a6adc176cb53a24cf5a515ca09f977f.tar.bz2 | |
Merge remote-tracking branch 'mjt/trivial-patches-next' into staging
# By Dong Xu Wang (2) and others
# Via Michael Tokarev
* mjt/trivial-patches-next:
osdep.h: include sys/types.h for ssize_t definition
remove double semicolons
clean unnecessary code: don't check g_strdup arg for NULL
docs: mention AddressSpaces in docs/memory.txt
audio: update documentation after removing --audio-card-list option
m25p80.c: Sync Flash chip list with Linux
bsd-user: OS-agnostic 64-bit SYSCTL types
Message-id: 518F61B9.9050803@msgid.tls.msk.ru
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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 ---------------- |