From patchwork Mon Oct 26 13:58:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zheng Chuan X-Patchwork-Id: 270424 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=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 04BD9C4363A for ; Mon, 26 Oct 2020 13:46:47 +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 6DAE621BE5 for ; Mon, 26 Oct 2020 13:46:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6DAE621BE5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:52648 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kX2pi-0000eX-Jp for qemu-devel@archiver.kernel.org; Mon, 26 Oct 2020 09:46:46 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37578) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kX2mL-00042N-UU for qemu-devel@nongnu.org; Mon, 26 Oct 2020 09:43:17 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:2365) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kX2mH-0000Jj-PJ for qemu-devel@nongnu.org; Mon, 26 Oct 2020 09:43:17 -0400 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4CKbd22Qg1z15Lf2; Mon, 26 Oct 2020 21:43:02 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.487.0; Mon, 26 Oct 2020 21:42:48 +0800 From: Chuan Zheng To: , Subject: [PATCH v1 1/4] migration/debug: Introduce foreach_migratable_block() Date: Mon, 26 Oct 2020 21:58:42 +0800 Message-ID: <1603720725-81206-2-git-send-email-zhengchuan@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1603720725-81206-1-git-send-email-zhengchuan@huawei.com> References: <1603720725-81206-1-git-send-email-zhengchuan@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.190; envelope-from=zhengchuan@huawei.com; helo=szxga04-in.huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/26 07:55:44 X-ACL-Warn: Detected OS = Linux 3.1-3.10 [fuzzy] 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_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: 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Chuan Zheng --- migration/ram.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/migration/ram.c b/migration/ram.c index 433489d..aa39908 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -166,6 +166,22 @@ bool ramblock_is_ignored(RAMBlock *block) #undef RAMBLOCK_FOREACH +static int foreach_migratable_block(RAMBlockIterFunc func, void *opaque) +{ + RAMBlock *block; + int ret = 0; + + rcu_read_lock(); + RAMBLOCK_FOREACH_MIGRATABLE(block) { + ret = func(block, opaque); + if (ret) { + break; + } + } + rcu_read_unlock(); + return ret; +} + int foreach_not_ignored_block(RAMBlockIterFunc func, void *opaque) { RAMBlock *block;