From patchwork Mon Sep 18 10:16:56 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Kardashevskiy X-Patchwork-Id: 814865 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xwhnB0Fvpz9s78 for ; Mon, 18 Sep 2017 20:19:10 +1000 (AEST) Received: from localhost ([::1]:35590 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dtt8u-0006WU-4E for incoming@patchwork.ozlabs.org; Mon, 18 Sep 2017 06:19:08 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41954) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dtt7F-0005ia-O7 for qemu-devel@nongnu.org; Mon, 18 Sep 2017 06:17:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dtt79-0004Cv-QO for qemu-devel@nongnu.org; Mon, 18 Sep 2017 06:17:25 -0400 Received: from ozlabs.ru ([107.173.13.209]:35222) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dtt79-0004BV-Kn for qemu-devel@nongnu.org; Mon, 18 Sep 2017 06:17:19 -0400 Received: from vpl1.ozlabs.ibm.com (localhost [IPv6:::1]) by ozlabs.ru (Postfix) with ESMTP id EBD8D3A60021; Mon, 18 Sep 2017 06:18:31 -0400 (EDT) From: Alexey Kardashevskiy To: qemu-devel@nongnu.org Date: Mon, 18 Sep 2017 20:16:56 +1000 Message-Id: <20170918101709.30421-1-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 v3 00/13] memory: Reduce memory use X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexey Kardashevskiy , Paolo Bonzini Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" 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(-)