From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id A110B48935; Tue, 14 Oct 2025 15:26:48 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 90AEB402A8; Tue, 14 Oct 2025 15:26:48 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id 99B66402A8 for ; Tue, 14 Oct 2025 15:26:46 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1760448406; 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=YGSxrAI5rhRL63uxSK0s7hU0r3GRnGXhBm7zgxD4owY=; b=AlN4nYZg4cthbnHaG7Pi2GspeuJGPtQ006vAtkCMuKMB8QJmyMX2drRYy7ip+VPySYXd+1 b/rEnNS/iXdZpYx2HN4X6/oclkIpZCiPY02wfaRBIKUEXZByVuiQN2qS9JBO6osshKZjlC hvUe+lqCLdeCJRhvxipZbtX/faz4XZo= Received: from mail-lf1-f72.google.com (mail-lf1-f72.google.com [209.85.167.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-12-M9qdOsnjMgqILSWlCBsvhw-1; Tue, 14 Oct 2025 09:26:44 -0400 X-MC-Unique: M9qdOsnjMgqILSWlCBsvhw-1 X-Mimecast-MFC-AGG-ID: M9qdOsnjMgqILSWlCBsvhw_1760448403 Received: by mail-lf1-f72.google.com with SMTP id 2adb3069b0e04-58afd11b4d4so2420120e87.2 for ; Tue, 14 Oct 2025 06:26:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1760448403; x=1761053203; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=YGSxrAI5rhRL63uxSK0s7hU0r3GRnGXhBm7zgxD4owY=; b=U/1btPu7lT13pLpP2kv0GZcqg4za52bfFO01S3sgYXQ9V2qvLDXLCYZ5VXoASv51u1 HOcWfxbhf6XDUtVcAETlWbrSrGZtUFCrwKDrNKBHSnXUvV6fNGmsvkDLgKmf/mGurs1H 3mTU+fSCRBQ8HhigBh3P9yNZ1kAPu8N7FnD63H6nmCUt3BRXARyiw/xSNxIjRfofL2yv mpPEo1jlJMc8J5BrjJKSPaepH5JA+cWiEnPnZdIzMHTuuc/q6kr5qP1ebNjLGXD8dhJi 7eipuBo3gf8AuxJFLxKorzegXUAPzKf82ZJYM2egjQzhJVvet1NZSuEW8EWvO9EvCBWJ 3p1g== X-Gm-Message-State: AOJu0YyCa470gTFGcEVriX+k8tJLkTVFr1bQDHHBHXM+t+PlMRD3bJsd h2saeRevZBGy3WJNvWUs8Jr4oe36hv5jlzvqx9jh87ZHgMpN1ka78DLJg1x5X4y0B4d4Grk3ce2 kezYavLd4lmC4xldePaDMml2WqCJW6ayUsHcZzQN+TCt1QvK6QZjMpfEuaFIZaLpmZ653L+C9f6 ArWFO/jbDjzBzrGiEcvkk= X-Gm-Gg: ASbGnctuKVl+ZRI8v/DXzclRn+ygyfjS2OsKp3vGADXnnPW5nzzBuTtZLI7k1T/coeS QvyiIJCQcm4I7YTrZ8sr172L/pDj+VCFuhLhC3cYvv7NrECesEhfqDlkYp0jY4aCRyUG6JYfsNV PZEeduI1KXzqcO9iEnYhE= X-Received: by 2002:a05:6512:104b:b0:590:651b:10e1 with SMTP id 2adb3069b0e04-5906d9e8a49mr7269527e87.44.1760448403166; Tue, 14 Oct 2025 06:26:43 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFEuM2SuiD+yN6ROmjE0K4cO4SlcCxN7yQP0l80QVJckTX3IQylgw0ptY6wMgWZKxbn06JK2O6nLqdpK3H8tiY= X-Received: by 2002:a05:6512:104b:b0:590:651b:10e1 with SMTP id 2adb3069b0e04-5906d9e8a49mr7269505e87.44.1760448402542; Tue, 14 Oct 2025 06:26:42 -0700 (PDT) MIME-Version: 1.0 References: <20251007144754.1690606-1-maxime.coquelin@redhat.com> In-Reply-To: <20251007144754.1690606-1-maxime.coquelin@redhat.com> From: Maxime Coquelin Date: Tue, 14 Oct 2025 15:26:31 +0200 X-Gm-Features: AS18NWAlTHTX7Stl3CbpT8j2PVrhpydu2gOY98z_NwubqoAs_eeMZTMD2eyjZUA Message-ID: Subject: Re: [PATCH v2] net/virtio-user: fix used ring address calculation To: Maxime Coquelin Cc: dev@dpdk.org, amorenoz@redhat.com, david.marchand@redhat.com, chenbox@nvidia.com, stable@dpdk.org X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: HxL5gBTmgYuN4s_Sh_ye1EfNXAPBK_LeSQlAfK_YbJc_1760448403 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Tue, Oct 7, 2025 at 4:48=E2=80=AFPM Maxime Coquelin wrote: > > This patch fixes the used ring address calculation, to > avoid Vhost-vDPA backends (such as VDUSE) to fail while > trying to translate it. > > Fixes: 666ef294ddf7 ("net/virtio-user: share descriptor IOVA to backend") > Cc: stable@dpdk.org > > Reported-by: Adrian Moreno > Signed-off-by: Maxime Coquelin > --- > > Changes in v2: > - Refactor addresses calculation (David) > > --- > > > .../net/virtio/virtio_user/virtio_user_dev.c | 30 ++++++++----------- > 1 file changed, 13 insertions(+), 17 deletions(-) > Adding David's Ack as the only change I did was adding his suggestion (and I checked with him): Acked-by: David Marchand Thanks, Maxime