From nobody Mon Feb 9 07:22:34 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=1666973045; cv=none; d=zohomail.com; s=zohoarc; b=TMWN1hn32q/ogRfzbrKFjKFWw5K57tvxgkA+rOcbhPZE9d9Tlyq/HgFkJsoIyoVyFmovRB6HRRveP352UztP5cbqs+bpJXOqXLhmudtDK1af/2Me982PmlW/6NqvssXflwiXgAnzU28AMmxmMZgszCpnfsLM8urJO6RfgwL9Nh8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1666973045; 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=QQn3knArhltmMNsVOixlI8amPGvp4nFBHIvh1LygSK0=; b=mO/nKbb4vKIPIRnRbtnicS1m+ow1CjAER8WM48J7SWMbqyNJObreEUrGczsvCnyzroxEstccXJIYILHtgtxBTcGyCY1aSztUbwtP4CJQ630R0NC23WiKgGQtGX1G+ojis5NePRV32ewyweGjCDUvJiqiBNPgU3NzuXTGmzZSvvg= 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 16669730453331004.033224088373; Fri, 28 Oct 2022 09:04:05 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ooRpi-0007x6-OC; Fri, 28 Oct 2022 12:03:49 -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 1ooRpA-0007Fc-OX 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 1ooRp9-0002aW-0n for qemu-devel@nongnu.org; Fri, 28 Oct 2022 12:03:12 -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-346-L_L54LNQPbuSHTvi7BOKUQ-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 91E37858282 for ; Fri, 28 Oct 2022 16:03:02 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.192.128]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5E45E4EA5D; Fri, 28 Oct 2022 16:02:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1666972990; 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=QQn3knArhltmMNsVOixlI8amPGvp4nFBHIvh1LygSK0=; b=OOfS1N2P/t1VbBPsMI4b203r7KOl9+w9B+7xoofCFXKvW2W57UHuu5VF1lescCYUAlonsT /Ih6WEhsc+dKOyBTTMs/tH+0nMQyH9yv1YtA5lwRw61BcWpipXw48ajp4RdVXegk6/T4ee ugYjXt69unscyRjrmVNMyClUSnjhL5Y= X-MC-Unique: L_L54LNQPbuSHTvi7BOKUQ-1 From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Stefan Hajnoczi , Jason Wang , "Michael S. Tsirkin" Subject: [PATCH 4/4] vhost: convert byte order on avail_event read Date: Fri, 28 Oct 2022 18:02:51 +0200 Message-Id: <20221028160251.268607-5-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: 1666973046757100004 This causes errors on virtio modern devices on big endian hosts Signed-off-by: Eugenio P=C3=A9rez --- hw/virtio/vhost-shadow-virtqueue.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/virtio/vhost-shadow-virtqueue.c b/hw/virtio/vhost-shadow-vi= rtqueue.c index 18a49e1ecb..3131903edd 100644 --- a/hw/virtio/vhost-shadow-virtqueue.c +++ b/hw/virtio/vhost-shadow-virtqueue.c @@ -231,7 +231,8 @@ static void vhost_svq_kick(VhostShadowVirtqueue *svq) size_t num =3D svq->vring.num; uint16_t *avail_event =3D (uint16_t *)&svq->vring.used->ring[num]; =20 - needs_kick =3D vring_need_event(*avail_event, svq->shadow_avail_id= x, + needs_kick =3D vring_need_event(le16_to_cpu(*avail_event), + svq->shadow_avail_idx, svq->shadow_avail_idx - 1); } else { needs_kick =3D !(svq->vring.used->flags & VRING_USED_F_NO_NOTIFY); --=20 2.31.1