From nobody Mon Feb 9 02:28:04 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=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1666973046; cv=none; d=zohomail.com; s=zohoarc; b=A2EyigSikfnY2pvnIXb/5ixPPDt5vzfJWoaanl536dz6nTKlzKeOGGJfZiwpDwrgmAKIz/FykZQovr2O97q1PtcZUD2BbJ2mgkUuvEeF0JXmtYZFTqX/dkS2/Nalop5SedxQaLDdUui7gOMSs368mRqW7X/ag0yDsseRkgCules= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1666973046; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=x22TiB9j/DWlPE0VnTD3ZK7M9ov6FrfKxeqvh/djwuY=; b=iMjIN+qVo0k8khqSsmVa+5jF8GHB2QXNN9STPDhdYMYmP4Hw4vpKJbMIuAZ9FBN6H6v5Lkksg1fklJpy74HziWCwR6rCcJYOIiV7tIMi4uC2Zv9WPj7oy8dewhF9dUAl+3nscrV1C0W+xtYa8FUDvImz0SiTiBHRQWk2L4dVmcM= 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 1666973046179817.7010239106048; Fri, 28 Oct 2022 09:04:06 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ooRpL-0007e1-CU; Fri, 28 Oct 2022 12:03:23 -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 1ooRpB-0007Fm-Sv for qemu-devel@nongnu.org; Fri, 28 Oct 2022 12:03:17 -0400 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 1ooRp9-0002aQ-9k for qemu-devel@nongnu.org; Fri, 28 Oct 2022 12:03:13 -0400 Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-608-7PskYx9TO-C88JSQTPcOEA-1; Fri, 28 Oct 2022 12:03:08 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 80444101A588 for ; Fri, 28 Oct 2022 16:03:07 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.192.128]) by smtp.corp.redhat.com (Postfix) with ESMTP id E5BCB4EA55; Fri, 28 Oct 2022 16:02:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1666972989; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=x22TiB9j/DWlPE0VnTD3ZK7M9ov6FrfKxeqvh/djwuY=; b=ManEN9sKLzKek1+HxT1L8w02Co9s52YqV/0dIQUEp2q2zUQH2Ly+gffx+8CAQhmF+MUV+r 2YP+SvJCvkzhhpJixoVSJorNA4wmiyN9pGTXAkeW0lBYAH7ragIkQMAWYrbEAOTdulHly7 eUYAbhlo+Rvhqaa7Ub2qzrzi/eJZjtE= X-MC-Unique: 7PskYx9TO-C88JSQTPcOEA-1 From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Stefan Hajnoczi , Jason Wang , "Michael S. Tsirkin" Subject: [PATCH 2/4] vhost: convert byte order on SVQ used event write Date: Fri, 28 Oct 2022 18:02:49 +0200 Message-Id: <20221028160251.268607-3-eperezma@redhat.com> In-Reply-To: <20221028160251.268607-1-eperezma@redhat.com> References: <20221028160251.268607-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 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=170.10.133.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.516, 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_H2=-0.001, 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: , Sender: "Qemu-devel" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1666973046758100005 This causes errors on virtio modern devices on big endian hosts Fixes: 01f8beacea2a ("vhost: toggle device callbacks using used event idx") Signed-off-by: Eugenio P=C3=A9rez --- hw/virtio/vhost-shadow-virtqueue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/virtio/vhost-shadow-virtqueue.c b/hw/virtio/vhost-shadow-vi= rtqueue.c index 70766ea740..467099f5d9 100644 --- a/hw/virtio/vhost-shadow-virtqueue.c +++ b/hw/virtio/vhost-shadow-virtqueue.c @@ -382,7 +382,7 @@ static bool vhost_svq_enable_notification(VhostShadowVi= rtqueue *svq) { if (virtio_vdev_has_feature(svq->vdev, VIRTIO_RING_F_EVENT_IDX)) { uint16_t *used_event =3D &svq->vring.avail->ring[svq->vring.num]; - *used_event =3D svq->shadow_used_idx; + *used_event =3D cpu_to_le16(svq->shadow_used_idx); } else { svq->vring.avail->flags &=3D ~cpu_to_le16(VRING_AVAIL_F_NO_INTERRU= PT); } --=20 2.31.1