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{ "id": 816286, "url": "http://patchwork.ozlabs.org/api/covers/816286/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20170920114637.42004-1-aik@ozlabs.ru/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170920114637.42004-1-aik@ozlabs.ru>", "list_archive_url": null, "date": "2017-09-20T11:46:19", "name": "[qemu,v4,00/18] memory: Reduce memory use", "submitter": { "id": 7621, "url": "http://patchwork.ozlabs.org/api/people/7621/?format=api", "name": "Alexey Kardashevskiy", "email": "aik@ozlabs.ru" }, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20170920114637.42004-1-aik@ozlabs.ru/mbox/", "series": [ { "id": 4138, "url": "http://patchwork.ozlabs.org/api/series/4138/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=4138", "date": "2017-09-20T11:46:20", "name": "memory: Reduce memory use", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/4138/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/816286/comments/", "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xy2x83SD2z9sRm\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 21 Sep 2017 01:00:44 +1000 (AEST)", "from localhost ([::1]:48667 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dugUU-0005js-CE\n\tfor incoming@patchwork.ozlabs.org; Wed, 20 Sep 2017 11:00:42 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:56363)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <aik@ozlabs.ru>) id 1dufmG-0003OA-O9\n\tfor qemu-devel@nongnu.org; Wed, 20 Sep 2017 10:15:10 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <aik@ozlabs.ru>) id 1dufmD-000574-5k\n\tfor qemu-devel@nongnu.org; Wed, 20 Sep 2017 10:15:00 -0400", "from ozlabs.ru ([107.173.13.209]:59740)\n\tby eggs.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <aik@ozlabs.ru>) id 1dufmC-00056x-Vq\n\tfor qemu-devel@nongnu.org; Wed, 20 Sep 2017 10:14:57 -0400", "from vpl1.ozlabs.ibm.com (localhost [IPv6:::1])\n\tby ozlabs.ru (Postfix) with ESMTP id B311C3A60023;\n\tWed, 20 Sep 2017 07:47:56 -0400 (EDT)" ], "From": "Alexey Kardashevskiy <aik@ozlabs.ru>", "To": "qemu-devel@nongnu.org", "Date": "Wed, 20 Sep 2017 21:46:19 +1000", "Message-Id": "<20170920114637.42004-1-aik@ozlabs.ru>", "X-Mailer": "git-send-email 2.11.0", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 3.x [fuzzy]", "X-Received-From": "107.173.13.209", "Subject": "[Qemu-devel] [PATCH qemu v4 00/18] memory: Reduce memory use", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "Alexey Kardashevskiy <aik@ozlabs.ru>, Paolo Bonzini <pbonzini@redhat.com>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "This was inspired by https://bugzilla.redhat.com/show_bug.cgi?id=1481593\nPrevious versions:\nv1: https://lists.gnu.org/archive/html/qemu-devel/2017-09/msg01559.html\nv2: https://lists.gnu.org/archive/html/qemu-devel/2017-09/msg04069.html\nv3: https://lists.gnu.org/archive/html/qemu-devel/2017-09/msg04523.html\n\nThis patchset tries to reduce amount of memory used by FlatViews\nand tries share as many FVs between address spaces as possible.\n\nChangelog:\nv4:\n* total rework again to provide grounds for new 15/18, 17/18, 18/18\n\nv3:\n* addressed comments from v2, mainly simplified the code\n\nv2:\n* total rework\n\n\nThis is based on sha1\nc51700273a Peter Maydell \"Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20170919-v2' into staging\".\n\nPlease comment. Thanks.\n\n\n\nAlexey Kardashevskiy (18):\n exec: Explicitly export target AS from\n address_space_translate_internal\n memory: Open code FlatView rendering\n memory: Move FlatView allocation to a helper\n memory: Move AddressSpaceDispatch from AddressSpace to FlatView\n memory: Remove AddressSpace pointer from AddressSpaceDispatch\n memory: Switch memory from using AddressSpace to FlatView\n memory: Cleanup after switching to FlatView\n memory: Rename mem_begin/mem_commit/mem_add helpers\n memory: Store physical root MR in FlatView\n memory: Alloc dispatch tree where topology is generared\n memory: Move address_space_update_ioeventfds\n memory: Share FlatView's and dispatch trees between address spaces\n memory: Do not allocate FlatView in address_space_init\n memory: Add flat views to HMP \"info mtree\"\n memory: Share special empty FlatView\n memory: Get rid of address_space_init_shareable\n memory: Create FlatView directly\n memory: Give memory_region_transaction_commit a hint\n\n include/exec/memory-internal.h | 16 +-\n include/exec/memory.h | 76 ++++----\n include/hw/arm/armv7m.h | 2 +-\n cpus.c | 5 +-\n exec.c | 330 +++++++++++++++++++++--------------\n hw/arm/armv7m.c | 9 +-\n hw/intc/openpic_kvm.c | 2 +-\n memory.c | 383 +++++++++++++++++++++++++++++++----------\n monitor.c | 3 +-\n target/arm/cpu.c | 16 +-\n target/i386/cpu.c | 5 +-\n hmp-commands-info.hx | 7 +-\n 12 files changed, 570 insertions(+), 284 deletions(-)" }