From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2529FC636C9 for ; Wed, 21 Jul 2021 08:40:55 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 96FE56101E for ; Wed, 21 Jul 2021 08:40:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 96FE56101E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45858 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m67mf-0003Zs-HV for qemu-devel@archiver.kernel.org; Wed, 21 Jul 2021 04:40:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:32808) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m67kw-0001yV-Lk for qemu-devel@nongnu.org; Wed, 21 Jul 2021 04:39:06 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:45479) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m67kv-0002VF-2C for qemu-devel@nongnu.org; Wed, 21 Jul 2021 04:39:06 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1626856743; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=e9zMeU71HeRZvzmOXATeQhh5rhrGHSp6KP9Tr1pamw8=; b=ZkldTjZCOMz40nAi6T9NF754G4v+32HoAB6On/hjruP+sCA9WiCmZQnPS9JrI+Yu5yFmUu PvPYm/eGgx1JpYZ+UkdIuQ/VnJVgNh0/OLY4s2CGvXQ3hnZ+zrtkiB9LGivwPfibX25k3p B1noh7yx4rxDTCnB2bN46O8jDbh92bs= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-18-rFRmpTevOrW-r0x-aKWGCA-1; Wed, 21 Jul 2021 04:39:02 -0400 X-MC-Unique: rFRmpTevOrW-r0x-aKWGCA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7DBDC10150A0; Wed, 21 Jul 2021 08:39:01 +0000 (UTC) Received: from t480s.redhat.com (ovpn-113-250.ams2.redhat.com [10.36.113.250]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8845E60E3A; Wed, 21 Jul 2021 08:38:39 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Subject: [PATCH v3 0/4] softmmu/memory_mapping: optimize dump/tpm for virtio-mem Date: Wed, 21 Jul 2021 10:38:34 +0200 Message-Id: <20210721083838.6347-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=david@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=david@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) DKIMWL_WL_HIGH=-1.474, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Thomas Huth , Stefan Berger , Eduardo Habkost , David Hildenbrand , "Michael S. Tsirkin" , "Dr. David Alan Gilbert" , Peter Xu , Alex Williamson , Paolo Bonzini , Claudio Fontana , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Igor Mammedov , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Stefan Berger Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Minor fixes and cleanups, followed by an optimization for virtio-mem regarding guest dumps and tpm. virtio-mem logically plugs/unplugs memory within a sparse memory region and notifies via the RamDiscardManager interface when parts become plugged (populated) or unplugged (discarded). Currently, guest_phys_blocks_append() appends the whole (sparse) virtio-mem managed region and, therefore, tpm code might zero the hole region and dump code will dump the whole region. Let's only add logically plugged (populated) parts of that region, skipping over logically unplugged (discarded) parts by reusing the RamDiscardManager infrastructure introduced to handle virtio-mem + VFIO properly. v2 -> v3: - "softmmu/memory_mapping: reuse qemu_get_guest_simple_memory_mapping()" -- Dropped - Assed ACKs / RBs v1 -> v2: - "softmmu/memory_mapping: factor out adding physical memory ranges" -- Simplify based on RamDiscardManager changes: add using a MemoryRegionSection - "softmmu/memory_mapping: optimize for RamDiscardManager sections" -- Simplify based on RamDiscardManager changes David Hildenbrand (4): tpm: mark correct memory region range dirty when clearing RAM softmmu/memory_mapping: never merge ranges accross memory regions softmmu/memory_mapping: factor out adding physical memory ranges softmmu/memory_mapping: optimize for RamDiscardManager sections hw/tpm/tpm_ppi.c | 4 ++- softmmu/memory_mapping.c | 64 ++++++++++++++++++++++++++-------------- 2 files changed, 45 insertions(+), 23 deletions(-) -- 2.31.1