From nobody Tue Feb 10 11:15:56 2026 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=1770371749; cv=none; d=zohomail.com; s=zohoarc; b=QlIwQ0DaPzaa+8ZKkQI1zkWTfcRlmLEUkkI5u3sDrxEPwQassFJKJzedqvanWSMKmJuRaeuQfn66dMP/eC+tS/Q7bp6GhwsRGGuS77L6RfBAlVLnUyT+nGexkOUPY3eXJ91459NqBlMhjaRAnmI14xVKUfOI2MKEMrTp7Z4fbwA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1770371749; 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=+SpyHIZPomcxLMQSoiBsFflOw5UXkUGz8ERrOTagf2w=; b=i5IVI1g6qG0jVCg9emoiXl+P/c3CHtuVfigMtaj/prlLp6TIRbC8BCwEnPgNfd5Z3sZzn00govxjE72nrQgnJqrLe1g8hK8iTFd6ZawIJoNW1KXg45xn2Dvo9Bwx9AzETcXfH2x+nqQrHBNPK/hvvLESRuQ/ZmfM3aK63H3JxkA= 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 1770371749895306.82587383248404; Fri, 6 Feb 2026 01:55:49 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1voIXF-0001x8-MZ; Fri, 06 Feb 2026 04:53:57 -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 1voIWq-0001nF-79 for qemu-devel@nongnu.org; Fri, 06 Feb 2026 04:53:34 -0500 Received: from forwardcorp1a.mail.yandex.net ([2a02:6b8:c0e:500:1:45:d181:df01]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1voIWm-0000KR-Gr for qemu-devel@nongnu.org; Fri, 06 Feb 2026 04:53:30 -0500 Received: from mail-nwsmtp-smtp-corp-main-80.iva.yp-c.yandex.net (mail-nwsmtp-smtp-corp-main-80.iva.yp-c.yandex.net [IPv6:2a02:6b8:c0c:1593:0:640:6beb:0]) by forwardcorp1a.mail.yandex.net (Yandex) with ESMTPS id 4C7B1C0158; Fri, 06 Feb 2026 12:53:27 +0300 (MSK) Received: from vsementsov-lin (unknown [2a02:6bf:8080:52d::1:1f]) by mail-nwsmtp-smtp-corp-main-80.iva.yp-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id 2rKPQc0AN0U0-sikZhiMa; Fri, 06 Feb 2026 12:53:26 +0300 Precedence: bulk X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1770371606; bh=+SpyHIZPomcxLMQSoiBsFflOw5UXkUGz8ERrOTagf2w=; h=Message-ID:Date:In-Reply-To:Cc:Subject:References:To:From; b=j5y1NSBiYIdWdxxfjGrrosPzxPkDg3fNZNdJHjPfO5XHvBlX4Pfy9NQoUbpAC0JQ5 PSDMYCutNFJWSO0TpbRtTyHLTljtbF9mrmLD68g2Y+o7G+tfk5EfWLeJcCkaTBrovA vZ6ea41hqdy6qFg0sXF7tm89zJStD6EBpGvsPfT0= Authentication-Results: mail-nwsmtp-smtp-corp-main-80.iva.yp-c.yandex.net; dkim=pass header.i=@yandex-team.ru From: Vladimir Sementsov-Ogievskiy To: mst@redhat.com Cc: sgarzare@redhat.com, raphael@enfabrica.net, qemu-devel@nongnu.org, vsementsov@yandex-team.ru, yc-core@yandex-team.ru, d-tatianin@yandex-team.ru, Raphael Norwitz Subject: [PATCH v5 17/23] vhost: simplify vhost_dev_init() error-path Date: Fri, 6 Feb 2026 12:52:51 +0300 Message-ID: <20260206095258.894504-18-vsementsov@yandex-team.ru> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260206095258.894504-1-vsementsov@yandex-team.ru> References: <20260206095258.894504-1-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:c0e:500:1:45:d181:df01; envelope-from=vsementsov@yandex-team.ru; helo=forwardcorp1a.mail.yandex.net X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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, RCVD_IN_DNSWL_LOW=-0.7, 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 List-Id: qemu development 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: 1770371751860154100 Content-Type: text/plain; charset="utf-8" No reason to rollback setting up busyloop timeout on failure. We don't do such rollback for other things we setup in backend. Also, look at vhost_net_init() in hw/net/vhost_net.c: we may fail after successfully called vhost_dev_init(), and in this case we'll just call vhost_dev_cleanup(), which doesn't rollback busyloop timeout. So, let's keep it simple. Signed-off-by: Vladimir Sementsov-Ogievskiy Acked-by: Raphael Norwitz Reviewed-by: Daniil Tatianin --- hw/virtio/vhost.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index 403ebc257c..f3e6a38a70 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -1627,7 +1627,7 @@ int vhost_dev_init(struct vhost_dev *hdev, void *opaq= ue, busyloop_timeout); if (r < 0) { error_setg_errno(errp, -r, "Failed to set busyloop timeout= "); - goto fail_busyloop; + goto fail; } } } @@ -1667,7 +1667,7 @@ int vhost_dev_init(struct vhost_dev *hdev, void *opaq= ue, if (hdev->migration_blocker !=3D NULL) { r =3D migrate_add_blocker_normal(&hdev->migration_blocker, errp); if (r < 0) { - goto fail_busyloop; + goto fail; } } =20 @@ -1699,17 +1699,11 @@ int vhost_dev_init(struct vhost_dev *hdev, void *op= aque, " than current number of used (%d) and reserved (%d)" " memory slots for memory devices.", limit, used, reser= ved); r =3D -EINVAL; - goto fail_busyloop; + goto fail; } =20 return 0; =20 -fail_busyloop: - if (busyloop_timeout) { - while (--i >=3D 0) { - vhost_virtqueue_set_busyloop_timeout(hdev, hdev->vq_index + i,= 0); - } - } fail: hdev->nvqs =3D n_initialized_vqs; vhost_dev_cleanup(hdev); --=20 2.52.0