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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 0B869C5475B for ; Fri, 1 Mar 2024 07:24:53 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rfxFt-0007q1-M3; Fri, 01 Mar 2024 02:24:29 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rfxFr-0007pk-5L for qemu-devel@nongnu.org; Fri, 01 Mar 2024 02:24:27 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rfxFp-0006ZM-Re for qemu-devel@nongnu.org; Fri, 01 Mar 2024 02:24:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1709277864; 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: in-reply-to:in-reply-to:references:references; bh=Hu4uAnRM18ouK5VOaKUmgRwO8OQ0Hiylj1vsGWbk50s=; b=GdJPmIYD59nEs0oMjiDo4LJKdeJjkW83dogTFWIEUUfDGtPo9lS2oQxX2uFCHLZw7oDe/Q Op0uwPYi4YS6gy9VHQSYIo/yWRSpyNpkFZnzWfTyvvv6IkFw+zhw0Fq+9lSAd/GS1zvVT7 W5Bx+UMUorvKx37QPN1u2GyQJQDP91U= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-626-VRyubJe5M2COtwyGHJcoEw-1; Fri, 01 Mar 2024 02:24:21 -0500 X-MC-Unique: VRyubJe5M2COtwyGHJcoEw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8E166185A782; Fri, 1 Mar 2024 07:24:20 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.39.193.4]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 4EC8F1C060AF; Fri, 1 Mar 2024 07:24:20 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id E63A921E6743; Fri, 1 Mar 2024 08:24:17 +0100 (CET) From: Markus Armbruster To: Hao Xiang Cc: pbonzini@redhat.com, berrange@redhat.com, eduardo@habkost.net, peterx@redhat.com, farosas@suse.de, eblake@redhat.com, thuth@redhat.com, lvivier@redhat.com, jdenemar@redhat.com, marcel.apfelbaum@gmail.com, philmd@linaro.org, wangyanan55@huawei.com, qemu-devel@nongnu.org Subject: Re: [PATCH v4 1/7] migration/multifd: Add new migration option zero-page-detection. In-Reply-To: <20240301022829.3390548-2-hao.xiang@bytedance.com> (Hao Xiang's message of "Fri, 1 Mar 2024 02:28:23 +0000") References: <20240301022829.3390548-1-hao.xiang@bytedance.com> <20240301022829.3390548-2-hao.xiang@bytedance.com> Date: Fri, 01 Mar 2024 08:24:17 +0100 Message-ID: <878r32quse.fsf@pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.096, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Hao Xiang writes: > This new parameter controls where the zero page checking is running. > 1. If this parameter is set to 'legacy', zero page checking is > done in the migration main thread. > 2. If this parameter is set to 'none', zero page checking is disabled. > > Signed-off-by: Hao Xiang QAPI schema Acked-by: Markus Armbruster