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 B0CD048942; Wed, 15 Oct 2025 13:46:59 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 9EDCE40A8A; Wed, 15 Oct 2025 13:46:59 +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 1519240276 for ; Wed, 15 Oct 2025 13:46:59 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1760528818; 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=8N5lfQsSf0Bc0UrUWJxdBQMFUii35Hxhk2A65RclRw4=; b=Q94VkGZAMGRh4bqLTpPT5XEAo5KDRimOUG62cyz9WhyyYlCsZygvq9C9XVIy41GW959b+j WX3MPdpDoayijzV7//XmXIE5HfiQgO8QdjQ0rDIFVl9K1Db2h/dye9Z76cQohSuvcAndoJ NvQEz/p5GZz95enYSCNOfpCmu7ybR38= 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-636-JR_cRGCrNAGnatiEoQ4PTg-1; Wed, 15 Oct 2025 07:46:57 -0400 X-MC-Unique: JR_cRGCrNAGnatiEoQ4PTg-1 X-Mimecast-MFC-AGG-ID: JR_cRGCrNAGnatiEoQ4PTg_1760528816 Received: by mail-lf1-f72.google.com with SMTP id 2adb3069b0e04-57cd230eb72so3929786e87.3 for ; Wed, 15 Oct 2025 04:46:57 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1760528816; x=1761133616; 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=8N5lfQsSf0Bc0UrUWJxdBQMFUii35Hxhk2A65RclRw4=; b=hDL3muyjZtQ+PKYcYRjSVCKqc8IVjZxdDQNTzaVv7Xwq1Aop41cZMDbuKwNkJoXmH8 uap6atCf/BfQxdoE0iD2oTxtUShECBWiL0N/D77ml23d16NFb83CurHxxTTPRSH/xZgk G/D0Zrfdtw1G6QdSrZvwdebKfj+tAFVcyAtEcF1lP1BF+vqrE959INVtWz0oRxKdam0G yyEvKCGeX6q6H0JYxoNogFhQFyX3CLh/V8cJ27PbKSvBoFbgH56Hpw7Sgo6VvX1qO7nC H/z1URa/J5rRlf4WdsuGnbnjmMfE+W2IvtgurtP1IqdasJJJsUnaLN5El2FffqZaB5so 9Dgw== X-Gm-Message-State: AOJu0YynJULNsT7Zf2dhh/jF9KE2yML9UW26yhPxTd9jJqVpLOkm2KRW xPm6EThPUO24DLYMvsc2KOBmeadkae69QSAFWHIi6Y69hPm2JnhG7YPLHki+O+pzb04rK+0bck0 Y2E/RWT9zUmQODkXeXt2WW5ySk/lerUAxHCdfO893zwugLfc2aNcKJ73teIyoy+w61Cwvt8enny Cs3Ox+vPPIcWuOY12/+CY= X-Gm-Gg: ASbGncvzx0TwQIPBT95TRrJJeh4ExZeXApmPDjFwut0HKhdIKIuGMIMBW7z8zmpPsmL /SdJ/eqETm2IvcQMvcNY6EoLYyfJQtVVDW1iw4/fT1HVuA6+OYmSuzrB6Tg1kYW4U4dLVmBJhpj Fw+tk4N8bkK8WB5CQTxJs= X-Received: by 2002:a05:6512:3ca2:b0:57e:54ab:56a9 with SMTP id 2adb3069b0e04-5906d88b0c1mr8182095e87.20.1760528815974; Wed, 15 Oct 2025 04:46:55 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF9LRhBd6Vx4dAy+h6qO5fjiZpLcvX/CxTlz09x7RBE6Ya0EhhYSwdpmAYJtZ1UWCQSqcYzCeR8ST2nIk4nE+8= X-Received: by 2002:a05:6512:3ca2:b0:57e:54ab:56a9 with SMTP id 2adb3069b0e04-5906d88b0c1mr8182080e87.20.1760528815547; Wed, 15 Oct 2025 04:46:55 -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: Wed, 15 Oct 2025 13:46:43 +0200 X-Gm-Features: AS18NWDLlcXvIphllimEOM5Efv3SQYuP55NGhq_o2NcfbSBsmXxfGY3SbLtETo8 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: G-7Q_JvYXRm0-f2Y3kg_HnjTQSMUIBDCwg7WSVYl-p4_1760528816 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(-) Applied to next-virtio/for-next-net. Thanks, Maxime