From nobody Sat Feb 7 15:29:37 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=virtuozzo.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1531928766751729.6962820436454; Wed, 18 Jul 2018 08:46:06 -0700 (PDT) Received: from localhost ([::1]:37275 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ffoeT-0006rL-N6 for importer@patchew.org; Wed, 18 Jul 2018 11:46:05 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52985) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ffoal-0003Ht-M3 for qemu-devel@nongnu.org; Wed, 18 Jul 2018 11:42:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ffoag-0000IW-OY for qemu-devel@nongnu.org; Wed, 18 Jul 2018 11:42:15 -0400 Received: from relay.sw.ru ([185.231.240.75]:36382) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ffoag-0000FC-BY for qemu-devel@nongnu.org; Wed, 18 Jul 2018 11:42:10 -0400 Received: from vz-out.virtuozzo.com ([185.231.240.5] helo=dptest2.qa.sw.ru) by relay.sw.ru with esmtp (Exim 4.90_1) (envelope-from ) id 1ffoad-0006bu-LD; Wed, 18 Jul 2018 18:42:07 +0300 From: Denis Plotnikov To: dgilbert@redhat.com, quintela@redhat.com, pbonzini@redhat.com Date: Wed, 18 Jul 2018 18:41:48 +0300 Message-Id: <20180718154200.26777-6-dplotnikov@virtuozzo.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180718154200.26777-1-dplotnikov@virtuozzo.com> References: <20180718154200.26777-1-dplotnikov@virtuozzo.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 185.231.240.75 Subject: [Qemu-devel] [PATCH v1 05/17] ram: extend the data structures for background snapshotting 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: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Denis Plotnikov --- include/exec/ram_addr.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h index 6cbc02aa0f..5b403d537d 100644 --- a/include/exec/ram_addr.h +++ b/include/exec/ram_addr.h @@ -36,6 +36,8 @@ struct RAMBlock { char idstr[256]; /* RCU-enabled, writes protected by the ramlist lock */ QLIST_ENTRY(RAMBlock) next; + /* blocks used for background snapshot */ + QLIST_ENTRY(RAMBlock) bgs_next; QLIST_HEAD(, RAMBlockNotifier) ramblock_notifiers; int fd; size_t page_size; @@ -49,6 +51,11 @@ struct RAMBlock { unsigned long *unsentmap; /* bitmap of already received pages in postcopy */ unsigned long *receivedmap; + /* The following 2 are for background snapshot */ + /* Pages currently being copied */ + unsigned long *touched_map; + /* Pages has been copied already */ + unsigned long *copied_map; }; =20 static inline bool offset_in_ramblock(RAMBlock *b, ram_addr_t offset) --=20 2.17.0