From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <roszenrami@gmail.com> Received: from mail-oi0-f68.google.com (mail-oi0-f68.google.com [209.85.218.68]) by dpdk.org (Postfix) with ESMTP id 75C9D1DBE for <dev@dpdk.org>; Tue, 4 Sep 2018 21:55:16 +0200 (CEST) Received: by mail-oi0-f68.google.com with SMTP id m11-v6so9175152oic.2 for <dev@dpdk.org>; Tue, 04 Sep 2018 12:55:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=f5AZkfNTw2En8Xd6W7uX9W/M95lwCbixO0XrJ/KgdEg=; b=uTWMGm4VSePMmi4RueTJti6AiIYLaLZsA2dbxWtTUmSFTK1X0GkesHGvLW8lSPlMxz 6Luc9siuBXNu8kxzB8VUN4uO5iukT322wMhkZ/jfNKedk04g45TyyHp+hj+JDKppf1+0 rYA3PZQ9keK4izrFvXNkLrdlgVqWmEfnJI7rV9KYA+oqqqG9pdo8IglltCBr/0NmbXAu 994eNC43DClDCy/7hbtWG5cAigxb9GYzAlzrHfSfwn9haLlIhW4+tf8OKJIVnpFm20jX 8U0W2SatsM5L/KwCA9xKVtHOfQGfhiNkAWoHvEt76ANIJb5Q8LdsropTHRYyDYSplgGc kQrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=f5AZkfNTw2En8Xd6W7uX9W/M95lwCbixO0XrJ/KgdEg=; b=K1OAUpIiFT2EB8bvHTFER+ucDWnm/J38GfqRhhHr0YcFUEMzIdci+RZY2B0PE1T1n7 8MzglXuRsF+NNXbZJAkF6SlKsZanmY5grWsMh6Lpypdrrf/URgTGOlpBxjZesiEk46KP WD9qsvihwRehe42P7vFqY4hNUcvD8v+dfdkdQ4FMo8sK/rtcfQOrEb1AiXXiFa8DxP+c CzyNMMSBLjvhJos51bjpQ9oI0CVe9gPI4Fbx2E+9Ipxx15s7WGFnqpcs0mo67+e6iH/u sBnA4fN8R4/o5U1I82EJqxaoLRn00c+xxjKcBYOyx4N8puDd6TAs5cTB6ZotWT0zvfUe g1Sw== X-Gm-Message-State: APzg51C+hYYrhWYOxtfLJpOqPp7dvlIH2xAI0gyhqP63+jEOAVysEt43 4g/zAszYGS5CBnsPx3THbxuv50j7Ys9GfVXsJKQ= X-Google-Smtp-Source: ANB0VdZVlUq0UIuw36cX/BEa6FNjG9jrf0EErn9S5G3Qwn8eiS+bt0eD2odJg/+b6Yu4cSg7YK5h79PjHcRSSCEJG2c= X-Received: by 2002:aca:f2c3:: with SMTP id q186-v6mr26897866oih.193.1536090915780; Tue, 04 Sep 2018 12:55:15 -0700 (PDT) MIME-Version: 1.0 References: <1536051547-8797-1-git-send-email-tone.zhang@arm.com> In-Reply-To: <1536051547-8797-1-git-send-email-tone.zhang@arm.com> From: Rami Rosen <roszenrami@gmail.com> Date: Tue, 4 Sep 2018 22:55:07 +0300 Message-ID: <CAKoUArkeYcOR-F8vOOHOoA4updbuejX1e0pMzTNASmo2qsZWJg@mail.gmail.com> To: "tone.zhang" <tone.zhang@arm.com> Cc: dev@dpdk.org, nd@arm.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-dev] [PATCH] doc: Clarify IOMMU usage with "uio-pci" kernel module X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Tue, 04 Sep 2018 19:55:16 -0000 Hi Tone, >if the devices for used DPDK bound to the ``uio-pci`` kernel module, please make The three kernel modules which can be used for DPDK binding are vfio-pci, uio_pci_generic and igb_uio. Don't you mean here uio_pci_generic ? Regards, Rami Rosen =D7=91=D7=AA=D7=90=D7=A8=D7=99=D7=9A =D7=99=D7=95=D7=9D =D7=92=D7=B3, 4 =D7= =91=D7=A1=D7=A4=D7=98=D7=B3 2018, 11:59, =D7=9E=D7=90=D7=AA tone.z > When binding the devices used by DPDK to the "uio-pci" kernel module, > the IOMMU should be disabled in order not to break the > because of the virtual / physical address mapping. > > The patch clarifies the IOMMU configuration on both x86_64 and arm64 > systems. > > Signed-off-by: tone.zhang <tone.zhang@arm.com> > --- > doc/guides/linux_gsg/linux_drivers.rst | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/doc/guides/linux_gsg/linux_drivers.rst > b/doc/guides/linux_gsg/linux_drivers.rst > index 371a817..8f9ec8f 100644 > --- a/doc/guides/linux_gsg/linux_drivers.rst > +++ b/doc/guides/linux_gsg/linux_drivers.rst > @@ -48,6 +48,13 @@ be loaded as shown below: > ``vfio-pci`` > 2.7.4 > >