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[Qemu-devel] [PATCH qemu v3 00/13] memory: Reduce memory use


From: Alexey Kardashevskiy
Subject: [Qemu-devel] [PATCH qemu v3 00/13] memory: Reduce memory use
Date: Mon, 18 Sep 2017 20:16:56 +1000

This was inspired by https://bugzilla.redhat.com/show_bug.cgi?id=1481593
Previous versions:
v1: https://lists.gnu.org/archive/html/qemu-devel/2017-09/msg01559.html
v2: https://lists.gnu.org/archive/html/qemu-devel/2017-09/msg04069.html

This patchset tries to reduce amount of memory used by FlatViews
and tries share as many FVs between address spaces as possible.

Changelog:
v3:
* addressed comments from v2, mainly simplified the code

v2:
* total rework




This is based on sha1
4f2058ded4 Peter Maydell "Merge remote-tracking branch 
'remotes/rth/tags/pull-tcg-20170917' into staging".

Please comment. Thanks.



Alexey Kardashevskiy (13):
  memory: Postpone flatview and dispatch tree building till all devices
    are added
  exec: Explicitely export target AS from
    address_space_translate_internal
  memory: Open code FlatView rendering
  memory: Move FlatView allocation to a helper
  memory: Move AddressSpaceDispatch from AddressSpace to FlatView
  memory: Remove AddressSpace pointer from AddressSpaceDispatch
  memory: Switch memory from using AddressSpace to FlatView
  memory: Cleanup after switching to FlatView
  memory: Rename mem_begin/mem_commit/mem_add helpers
  memory: Store physical root MR in FlatView
  memory: Share FlatView's and dispatch trees between address spaces
  memory: Get rid of address_space_init_shareable
  memory: Add flat views to HMP "info mtree"

 include/exec/memory-internal.h |  16 +-
 include/exec/memory.h          |  76 +++++-----
 include/hw/arm/armv7m.h        |   2 +-
 cpus.c                         |   5 +-
 exec.c                         | 330 +++++++++++++++++++++++++----------------
 hw/arm/armv7m.c                |   9 +-
 hw/intc/openpic_kvm.c          |   2 +-
 memory.c                       | 271 +++++++++++++++++++++++----------
 monitor.c                      |   3 +-
 target/arm/cpu.c               |  16 +-
 target/i386/cpu.c              |   5 +-
 vl.c                           |   9 ++
 hmp-commands-info.hx           |   7 +-
 13 files changed, 478 insertions(+), 273 deletions(-)

-- 
2.11.0




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