From nobody Mon Feb 9 02:14:41 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1544608986078759.9999049101976; Wed, 12 Dec 2018 02:03:06 -0800 (PST) Received: from localhost ([::1]:43620 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gX1M4-0003uO-3A for importer@patchew.org; Wed, 12 Dec 2018 05:03:00 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43639) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gX1Ev-0006Ba-89 for qemu-devel@nongnu.org; Wed, 12 Dec 2018 04:55:38 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gX1Et-0006oq-N5 for qemu-devel@nongnu.org; Wed, 12 Dec 2018 04:55:37 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39124) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gX1Et-0006jE-F4; Wed, 12 Dec 2018 04:55:35 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 92543FECB; Wed, 12 Dec 2018 09:55:34 +0000 (UTC) Received: from localhost (dhcp-192-187.str.redhat.com [10.33.192.187]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3BB1A1054FCC; Wed, 12 Dec 2018 09:55:34 +0000 (UTC) From: Cornelia Huck To: Peter Maydell Date: Wed, 12 Dec 2018 10:55:18 +0100 Message-Id: <20181212095519.6390-6-cohuck@redhat.com> In-Reply-To: <20181212095519.6390-1-cohuck@redhat.com> References: <20181212095519.6390-1-cohuck@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Wed, 12 Dec 2018 09:55:34 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 5/6] vfio-ap: flag as compatible with balloon X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-s390x@nongnu.org, Cornelia Huck , qemu-devel@nongnu.org, qemu-stable@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" vfio-ap devices do not pin any pages in the host. Therefore, they are compatible with memory ballooning. Flag them as compatible, so both vfio-ap and a balloon can be used simultaneously. Cc: qemu-stable@nongnu.org Acked-by: Christian Borntraeger Tested-by: Tony Krowiak Reviewed-by: Halil Pasic Signed-off-by: Cornelia Huck --- hw/vfio/ap.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/hw/vfio/ap.c b/hw/vfio/ap.c index 65de952f44..0a25f5e096 100644 --- a/hw/vfio/ap.c +++ b/hw/vfio/ap.c @@ -104,6 +104,14 @@ static void vfio_ap_realize(DeviceState *dev, Error **= errp) vapdev->vdev.name =3D g_strdup_printf("%s", mdevid); vapdev->vdev.dev =3D dev; =20 + /* + * vfio-ap devices operate in a way compatible with + * memory ballooning, as no pages are pinned in the host. + * This needs to be set before vfio_get_device() for vfio common to + * handle the balloon inhibitor. + */ + vapdev->vdev.balloon_allowed =3D true; + ret =3D vfio_get_device(vfio_group, mdevid, &vapdev->vdev, &local_err); if (ret) { goto out_get_dev_err; --=20 2.17.2