From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C1555CD11BF for ; Mon, 25 Mar 2024 14:13:47 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rol4J-00035Q-KW; Mon, 25 Mar 2024 10:12:55 -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 1rol4F-00034l-C5 for qemu-devel@nongnu.org; Mon, 25 Mar 2024 10:12:51 -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 1rol4E-0005so-16 for qemu-devel@nongnu.org; Mon, 25 Mar 2024 10:12:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1711375969; 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=rxz6eqe82dStmQUwcjm1hBlQoThuAwMk0wigGLvJYPY=; b=gYoDPpmcIdOBqLgYjagLDsQFnZj30hTnJu+/72yv7hVWXxpMwyOPkQo5EdBWjij/iPZn/u tj4nJ2uhIw4FKZF0te+YuUe2u+GxJW82n3Uvd7b6Vb2ojSwlVettb6EEl9T1Ft4LEBhojI p6zbc0X7Iim3P2VUf8pcSO7D0aQWo7c= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-650-KjWBPmGlOsGjz760YwZjeg-1; Mon, 25 Mar 2024 10:12:46 -0400 X-MC-Unique: KjWBPmGlOsGjz760YwZjeg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id DCD261C008C6; Mon, 25 Mar 2024 14:12:44 +0000 (UTC) Received: from thuth-p1g4.redhat.com (unknown [10.39.192.90]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2840E3C20; Mon, 25 Mar 2024 14:12:43 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org Cc: Peter Maydell , Zheyu Ma , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Stefan Hajnoczi Subject: [PULL 7/9] libqos/virtio.c: Correct 'flags' reading in qvirtqueue_kick Date: Mon, 25 Mar 2024 15:12:08 +0100 Message-ID: <20240325141210.788356-8-thuth@redhat.com> In-Reply-To: <20240325141210.788356-1-thuth@redhat.com> References: <20240325141210.788356-1-thuth@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.065, 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_H4=0.001, RCVD_IN_MSPIKE_WL=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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Zheyu Ma In qvirtqueue_kick(), the 'flags' were previously being incorrectly read from vq->avail instead of the correct vq->used location. This update ensures 'flags' are read from the correct location as per the virtio standard. Signed-off-by: Zheyu Ma Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Stefan Hajnoczi Message-ID: <20240320090442.267525-1-zheyuma97@gmail.com> Signed-off-by: Thomas Huth --- tests/qtest/libqos/virtio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/qtest/libqos/virtio.c b/tests/qtest/libqos/virtio.c index 82a6e122bf..a21b6eee9c 100644 --- a/tests/qtest/libqos/virtio.c +++ b/tests/qtest/libqos/virtio.c @@ -394,7 +394,7 @@ void qvirtqueue_kick(QTestState *qts, QVirtioDevice *d, QVirtQueue *vq, qvirtio_writew(d, qts, vq->avail + 2, idx + 1); /* Must read after idx is updated */ - flags = qvirtio_readw(d, qts, vq->avail); + flags = qvirtio_readw(d, qts, vq->used); avail_event = qvirtio_readw(d, qts, vq->used + 4 + sizeof(struct vring_used_elem) * vq->size); -- 2.44.0