From nobody Tue Feb 10 18:54:36 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1612338672; cv=none; d=zohomail.com; s=zohoarc; b=V20YtCt0kwd/k9OZNUvMzxoOBsvgO4noljPWutYUnh5162S+ABDBxjqTetMkCgTEeQ90diTY87Me40vESeKr6icB56/ow3WiXj7Zh392kOH50mReTo0kUBuBBfRnKdpjGKrc/P7wifcFd3953aXJTI27Y8MT0tzqApyJVN7qeGU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1612338672; h=Content-Type:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=+15aJBlN91W8KaUegEecXEuva+ZyCnNuUc70d114CV4=; b=bTn0oijSB1cpot5OyqcZBXY3th4gjMpdJ2V3vIUYjmUu4EtW08uYUlo+EHjZYzbuJQ3z1HGryP8Q6Ck2YeoxzM/Ozjsue0qNpADg/10VXHBJoVo17f2nBWEu2BJwgBnXJ409QQ4BwKwwyU0Vs3tIC8Qi0vyr2DTTtwKzVz+pJsU= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1612338672090327.0460018394871; Tue, 2 Feb 2021 23:51:12 -0800 (PST) Received: from localhost ([::1]:47094 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l7CwQ-0003Mh-V3 for importer@patchew.org; Wed, 03 Feb 2021 02:51:10 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:34308) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l7Cpj-00034j-AX for qemu-devel@nongnu.org; Wed, 03 Feb 2021 02:44:15 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:3037) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l7CpW-0008J2-Dk for qemu-devel@nongnu.org; Wed, 03 Feb 2021 02:44:15 -0500 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4DVtv05FPBzjJgS; Wed, 3 Feb 2021 15:42:36 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.498.0; Wed, 3 Feb 2021 15:43:45 +0800 From: Chuan Zheng To: , , Subject: [PATCH v4 15/18] migration/rdma: only register the memory for multifd channels Date: Wed, 3 Feb 2021 16:01:48 +0800 Message-ID: <1612339311-114805-16-git-send-email-zhengchuan@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1612339311-114805-1-git-send-email-zhengchuan@huawei.com> References: <1612339311-114805-1-git-send-email-zhengchuan@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=45.249.212.191; envelope-from=zhengchuan@huawei.com; helo=szxga05-in.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-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: yubihong@huawei.com, zhang.zhanghailiang@huawei.com, qemu-devel@nongnu.org, xiexiangyou@huawei.com, alex.chen@huawei.com, wanghao232@huawei.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" All data is sent by multifd Channels, so we only register its for multifd channels and main channel don't register its. Signed-off-by: Zhimin Feng Signed-off-by: Chuan Zheng --- migration/rdma.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/migration/rdma.c b/migration/rdma.c index c906cc7..f5eb563 100644 --- a/migration/rdma.c +++ b/migration/rdma.c @@ -3939,6 +3939,12 @@ static int qemu_rdma_registration_stop(QEMUFile *f, = void *opaque, =20 qemu_sem_post(&multifd_send_param->sem_sync); } + + /* + * Use multifd to migrate, we only register memory for + * multifd RDMA channel and main channel don't register it. + */ + goto wait_reg_complete; } =20 /* @@ -3999,6 +4005,8 @@ static int qemu_rdma_registration_stop(QEMUFile *f, v= oid *opaque, rdma->dest_blocks[i].remote_host_addr; local->block[i].remote_rkey =3D rdma->dest_blocks[i].remote_rk= ey; } + +wait_reg_complete: /* Wait for all multifd channels to complete registration */ if (migrate_use_multifd()) { int i; --=20 1.8.3.1