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=-7.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 83EF9C197BF for ; Tue, 8 Dec 2020 07:21:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5E31623ABA for ; Tue, 8 Dec 2020 07:21:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726765AbgLHHVg (ORCPT ); Tue, 8 Dec 2020 02:21:36 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56006 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726734AbgLHHVf (ORCPT ); Tue, 8 Dec 2020 02:21:35 -0500 Received: from mail-ej1-x641.google.com (mail-ej1-x641.google.com [IPv6:2a00:1450:4864:20::641]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6E7DEC061749 for ; Mon, 7 Dec 2020 23:20:55 -0800 (PST) Received: by mail-ej1-x641.google.com with SMTP id ce23so19415575ejb.8 for ; Mon, 07 Dec 2020 23:20:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=/h2yFiiCakJYZ7C4aOv6n4E6nxXfNP5Jigi5iFmZn4o=; b=g9k9EHyyE1hyh4GREJGgliFEA0ACDBQoilZma7WSGUbkrSU12XsZRINIy0PAa2YAbm 8jIwIAWXmroD/yp7Wlkwg7/4zkF7ReIlTm8yY6vr93wZHRzKNagE5iTQRjbWaWGsmgCx IhMXTNfbWrw66OJZzE7QgPlmBO9LxJ31OfPy/jG0lWT06o/3FHubxQoiOaj+M9r9R+q6 Oi6z+6pP4X6slMLeu0dZCJV4XZ1RrvNaA4yLihSzjdJJJCRmjl02MRaKgVxzDTZbsy4x B1N/VhOh/ToqToiS7YxKuFtp5CiTasuTKJTuDUWDgnEkCZTt+4plmE15QfzZ+X1oPCEI NBDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=/h2yFiiCakJYZ7C4aOv6n4E6nxXfNP5Jigi5iFmZn4o=; b=Scpo0tn9ukr05siQw+ECtYnmg5jVwkvoyqKtRUlY11ZkwL8YlCuDdGH+eXE6EfZ+Gd c57v6V5usUhxfnke/B8mrL8FenXedcavCF2jy+2E4z4uS1Ojlj+bCay5V22bQ2zfFLiD Piq/xOGQnjntSF/zorr02hr7hbKIm2szgcHQ9n8NRfBeCBU0MCtyv8/YlHO1+1dET63V Ypg3atRPMPTMdXhCqCzjPncL7+9Dl+tmmcyTaUVxw/BGZzvlnNgPC110kegOG6poaJe5 qj25dP/oKglevxs32WnsOqBbIj+IePXztplz/DW1WswpQrTPUsNBAaiugqFNtzfLEbho 2QiQ== X-Gm-Message-State: AOAM5305QtZqm97HW8V6arDmO6YIx0amhEjyqLvdNvexGlMN93w7dKgj faNRUsG36Y5RZqpXsWatir8= X-Google-Smtp-Source: ABdhPJz/JnR5N/NM+ralFbvuipmGWLzBttoSpakMqOYFYSR5Rk/CB0G8LXhZRJBRyhaegtzdavo3sA== X-Received: by 2002:a17:907:2108:: with SMTP id qn8mr22101643ejb.127.1607412054128; Mon, 07 Dec 2020 23:20:54 -0800 (PST) Received: from localhost ([51.15.41.238]) by smtp.gmail.com with ESMTPSA id rl7sm13489164ejb.107.2020.12.07.23.20.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Dec 2020 23:20:52 -0800 (PST) Date: Tue, 8 Dec 2020 07:20:51 +0000 From: Stefan Hajnoczi To: Eugenio =?iso-8859-1?Q?P=E9rez?= Cc: qemu-devel@nongnu.org, Lars Ganrot , virtualization@lists.linux-foundation.org, Salil Mehta , "Michael S. Tsirkin" , Liran Alon , Rob Miller , Max Gurtovoy , Alex Barba , Stefan Hajnoczi , Jim Harford , Jason Wang , Harpreet Singh Anand , Christophe Fontaine , vm , Daniel Daly , Michael Lilja , Stefano Garzarella , Nitin Shrivastav , Lee Ballard , Dmytro Kazantsev , Juan Quintela , kvm@vger.kernel.org, Howard Cai , Xiao W Wang , Sean Mooney , Parav Pandit , Eli Cohen , Siwei Liu , Stephen Finucane Subject: Re: [RFC PATCH 08/27] vhost: Add a flag for software assisted Live Migration Message-ID: <20201208072051.GO203660@stefanha-x1.localdomain> References: <20201120185105.279030-1-eperezma@redhat.com> <20201120185105.279030-9-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="keoAwTxaagou87Dg" Content-Disposition: inline In-Reply-To: <20201120185105.279030-9-eperezma@redhat.com> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org --keoAwTxaagou87Dg Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Nov 20, 2020 at 07:50:46PM +0100, Eugenio P=E9rez wrote: > @@ -1571,6 +1577,13 @@ void vhost_dev_disable_notifiers(struct vhost_dev = *hdev, VirtIODevice *vdev) > BusState *qbus =3D BUS(qdev_get_parent_bus(DEVICE(vdev))); > int i, r; > =20 > + if (hdev->sw_lm_enabled) { > + /* We've been called after migration is completed, so no need to > + disable it again > + */ > + return; > + } > + > for (i =3D 0; i < hdev->nvqs; ++i) { > r =3D virtio_bus_set_host_notifier(VIRTIO_BUS(qbus), hdev->vq_in= dex + i, > false); What is the purpose of this? --keoAwTxaagou87Dg Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAl/PKVMACgkQnKSrs4Gr c8g4MQgAuHhrnsIoIcFJBG8vM52Q4JFZAfZXRtw2rZr14BSUaoKLRLLesEpWWkwy xguwLpUJihF1okcf7wSAioIiVkaWPy/+z2Q2Yus4JQGPpZEYCfficmeOVnb1Whxr 6BJKaDQdNEjd7rpKiaegscT9iIyIOOGZErGBZTVBCttrBDbmoYtdtwrvTr0m97Tn +0O56WNnmRVHZbbFlYpDCp61oH9VQSQbqsRp4nshZVwiaRHptw5PotRSYa9v+SUj gaJj0DyxrTaOo/PZRzJgfH6ByiePKWy2y41ZVFIeV64aNJWNfPdlYcXgnAyBk3gF s1qYSxylD703VnKvaWBQTXO8PnJikA== =1YKg -----END PGP SIGNATURE----- --keoAwTxaagou87Dg--