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 3DFFBC433F5 for ; Thu, 12 May 2022 18:27:24 +0000 (UTC) Received: from localhost ([::1]:60886 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1npDX0-0006CI-Q6 for qemu-devel@archiver.kernel.org; Thu, 12 May 2022 14:27:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42612) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1npD4e-0000RG-Ra for qemu-devel@nongnu.org; Thu, 12 May 2022 13:58:04 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:36849) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1npD4c-0001iB-LZ for qemu-devel@nongnu.org; Thu, 12 May 2022 13:58:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1652378282; 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=horrKLSX5UQc3hpFHfe34qtWNP3DxGqYAhUxa1zSGl0=; b=DrN9H2zlawNkbFvk2C5bXXZR1sVjg8DzkThFNt+V6ZZrTNC4YZanxLU7l4jk5UH1kZFU2h TCnrltfFGTCx1P4Obig8XcH6nyOycUYmuVY8Fd9NXo1DftvBY50EJs7isZgXe8SLZCZFOH wcgVSQLRW/CzpemRzx8dPhIA3Y5g2CE= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-152-TbzKXWBhOD-KqV74lxs3cA-1; Thu, 12 May 2022 13:57:58 -0400 X-MC-Unique: TbzKXWBhOD-KqV74lxs3cA-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 0743D2A5955B; Thu, 12 May 2022 17:57:58 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.193.131]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3A3C943E390; Thu, 12 May 2022 17:57:56 +0000 (UTC) From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Gautam Dawar , Laurent Vivier , Harpreet Singh Anand , qemu-stable@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , "Michael S. Tsirkin" , Jason Wang , "Gonglei (Arei)" , Cindy Lu Subject: [PATCH 3/6] vdpa: Fix bad index calculus at vhost_vdpa_get_vring_base Date: Thu, 12 May 2022 19:57:44 +0200 Message-Id: <20220512175747.142058-4-eperezma@redhat.com> In-Reply-To: <20220512175747.142058-1-eperezma@redhat.com> References: <20220512175747.142058-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.85 on 10.11.54.9 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: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, 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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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" Fixes: 6d0b222666 ("vdpa: Adapt vhost_vdpa_get_vring_base to SVQ") Acked-by: Jason Wang Signed-off-by: Eugenio Pérez --- hw/virtio/vhost-vdpa.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index a30510ed17..493269b0b5 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -1172,11 +1172,11 @@ static int vhost_vdpa_get_vring_base(struct vhost_dev *dev, struct vhost_vring_state *ring) { struct vhost_vdpa *v = dev->opaque; + int vdpa_idx = ring->index - dev->vq_index; int ret; if (v->shadow_vqs_enabled) { - VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs, - ring->index); + VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs, vdpa_idx); /* * Setting base as last used idx, so destination will see as available -- 2.27.0