From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56363) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dufmG-0003OA-O9 for qemu-devel@nongnu.org; Wed, 20 Sep 2017 10:15:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dufmD-000574-5k for qemu-devel@nongnu.org; Wed, 20 Sep 2017 10:15:00 -0400 Received: from ozlabs.ru ([107.173.13.209]:59740) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dufmC-00056x-Vq for qemu-devel@nongnu.org; Wed, 20 Sep 2017 10:14:57 -0400 From: Alexey Kardashevskiy Date: Wed, 20 Sep 2017 21:46:19 +1000 Message-Id: <20170920114637.42004-1-aik@ozlabs.ru> Subject: [Qemu-devel] [PATCH qemu v4 00/18] memory: Reduce memory use List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Alexey Kardashevskiy , Paolo Bonzini 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 v3: https://lists.gnu.org/archive/html/qemu-devel/2017-09/msg04523.html This patchset tries to reduce amount of memory used by FlatViews and tries share as many FVs between address spaces as possible. Changelog: v4: * total rework again to provide grounds for new 15/18, 17/18, 18/18 v3: * addressed comments from v2, mainly simplified the code v2: * total rework This is based on sha1 c51700273a Peter Maydell "Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20170919-v2' into staging". Please comment. Thanks. Alexey Kardashevskiy (18): exec: Explicitly 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: Alloc dispatch tree where topology is generared memory: Move address_space_update_ioeventfds memory: Share FlatView's and dispatch trees between address spaces memory: Do not allocate FlatView in address_space_init memory: Add flat views to HMP "info mtree" memory: Share special empty FlatView memory: Get rid of address_space_init_shareable memory: Create FlatView directly memory: Give memory_region_transaction_commit a hint 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 | 383 +++++++++++++++++++++++++++++++---------- monitor.c | 3 +- target/arm/cpu.c | 16 +- target/i386/cpu.c | 5 +- hmp-commands-info.hx | 7 +- 12 files changed, 570 insertions(+), 284 deletions(-) -- 2.11.0