From nobody Sat Nov 15 07:46:09 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; dmarc=pass(p=none dis=none) header.from=yandex-team.ru ARC-Seal: i=1; a=rsa-sha256; t=1755104056; cv=none; d=zohomail.com; s=zohoarc; b=SSade7B714E+X6ZlF0hHGgy7qTVFTevntCJHVoGvVGNPHvOgpS1dXhcKBGn2cVwSE3wRjY1szTmH6f6ZJAiRduGqZ9MfnKZb5S/CK6933xeyPJwswm33HblAAik4WIxfLkJZrj332hQ3DPN7BzQD1ueDSxsCxFhHedivPaJfI9Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1755104056; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=ZP0m2iDnfarTInOhw140IrfQHwLhKgCJqmsVxIbp4EI=; b=RXDM/5pMkh0dAp8RSZajt859PZHKevqzgBXthuJJCX7iyAJGuyJex9XJSwWF5L6hFq/1n2oCCI7FoI45cj0/eG/Rkyfy86OBv02AjzXBYyEyzagB0LawcOI3S4gBbk7RF/BCALZoLOt1xkQQ2Reau3yzP9kI4mgfpxTzfcWzFBs= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1755104056175206.4631189455464; Wed, 13 Aug 2025 09:54:16 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1umEg1-00035g-Qh; Wed, 13 Aug 2025 12:50:14 -0400 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 1umEfg-0002lz-EF; Wed, 13 Aug 2025 12:49:54 -0400 Received: from forwardcorp1d.mail.yandex.net ([2a02:6b8:c41:1300:1:45:d181:df01]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1umEfN-0007sa-Sb; Wed, 13 Aug 2025 12:49:51 -0400 Received: from mail-nwsmtp-smtp-corp-main-56.klg.yp-c.yandex.net (mail-nwsmtp-smtp-corp-main-56.klg.yp-c.yandex.net [IPv6:2a02:6b8:c42:cf2d:0:640:140f:0]) by forwardcorp1d.mail.yandex.net (Yandex) with ESMTPS id D7E3C81293; Wed, 13 Aug 2025 19:49:22 +0300 (MSK) Received: from vsementsov-lin.. (unknown [2a02:6bf:8080:167::1:21]) by mail-nwsmtp-smtp-corp-main-56.klg.yp-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id wmOQI00FoSw0-AjtT8153; Wed, 13 Aug 2025 19:49:22 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1755103762; bh=ZP0m2iDnfarTInOhw140IrfQHwLhKgCJqmsVxIbp4EI=; h=Message-ID:Date:In-Reply-To:Cc:Subject:References:To:From; b=vq+LyZby3Ac3qLJHar+od0dCVnu23OvoImoXuSipzu2Fz6pnCIw7PA8edeKaCS7jv JJW8UBaVK6ippz9ORw7ZvI1A7v31nEdwqRyxpGy5NubXJG/1bMPZWf8hVzVMO5RaVz 2PJui5tkB4KHvb7UQPAR/JF4fJUU6Tdivkubxz00= Authentication-Results: mail-nwsmtp-smtp-corp-main-56.klg.yp-c.yandex.net; dkim=pass header.i=@yandex-team.ru From: Vladimir Sementsov-Ogievskiy To: mst@redhat.com, peterx@redhat.com, farosas@suse.de, raphael@enfabrica.net Cc: sgarzare@redhat.com, marcandre.lureau@redhat.com, pbonzini@redhat.com, kwolf@redhat.com, hreitz@redhat.com, berrange@redhat.com, eblake@redhat.com, armbru@redhat.com, qemu-devel@nongnu.org, qemu-block@nongnu.org, steven.sistare@oracle.com, den-plotnikov@yandex-team.ru, vsementsov@yandex-team.ru Subject: [PATCH 25/33] virtio: introduce .skip_vhost_migration_log() handler Date: Wed, 13 Aug 2025 19:48:46 +0300 Message-ID: <20250813164856.950363-26-vsementsov@yandex-team.ru> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250813164856.950363-1-vsementsov@yandex-team.ru> References: <20250813164856.950363-1-vsementsov@yandex-team.ru> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2a02:6b8:c41:1300:1:45:d181:df01; envelope-from=vsementsov@yandex-team.ru; helo=forwardcorp1d.mail.yandex.net X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @yandex-team.ru) X-ZM-MESSAGEID: 1755104059399124100 Content-Type: text/plain; charset="utf-8" For vhost user backend migration we'll need to disable memory logging on the device. Let's prepare a corresponding handler for the device. Signed-off-by: Vladimir Sementsov-Ogievskiy Acked-by: Raphael Norwitz --- hw/virtio/vhost.c | 10 ++++++++++ include/hw/virtio/virtio.h | 2 ++ 2 files changed, 12 insertions(+) diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index e7c809400b..0427fc29b2 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -1134,6 +1134,16 @@ static int vhost_migration_log(MemoryListener *liste= ner, bool enable) struct vhost_dev *dev =3D container_of(listener, struct vhost_dev, memory_listener); int r; + + if (dev->vdev) { + VirtioDeviceClass *vdc =3D VIRTIO_DEVICE_GET_CLASS(dev->vdev); + + if (vdc->skip_vhost_migration_log && + vdc->skip_vhost_migration_log(dev->vdev)) { + return 0; + } + } + if (enable =3D=3D dev->log_enabled) { return 0; } diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index 8b9db08ddf..9a4a0a94aa 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -234,6 +234,8 @@ struct VirtioDeviceClass { /* May be called even when vdev->vhost_started is false */ struct vhost_dev *(*get_vhost)(VirtIODevice *vdev); void (*toggle_device_iotlb)(VirtIODevice *vdev); + + bool (*skip_vhost_migration_log)(VirtIODevice *vdev); }; =20 void virtio_instance_init_common(Object *proxy_obj, void *data, --=20 2.48.1