From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) by dpdk.org (Postfix) with ESMTP id DC3302BD5 for ; Mon, 19 Nov 2018 01:04:30 +0100 (CET) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 69CF921F3E; Sun, 18 Nov 2018 19:04:30 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute1.internal (MEProxy); Sun, 18 Nov 2018 19:04:30 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s=mesmtp; bh=UhotzXJm6NCjtvxOh9bYs90Ta6TrEJYiGoN686eoOps=; b=Xik0E0qhnCV4 lzqeF9deBqVEhoQbkDTke9+YyMWYcviTMJ675HnvF0E+o6K3PsOyBHIpGwQ5Dln0 dRsj3QcZf+Sq95/GJzFCcwaRiXMTaR+zy26DLNS2ohe7F8ZinZ035FU2+WJK5bVa 3uLlz+ptvTrp9PKPsp+k6FP2EW3wHKw= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=UhotzXJm6NCjtvxOh9bYs90Ta6TrEJYiGoN686eoO ps=; b=A7iLrSg2loHL0SBUuzwnNdDlOcbp20iXEmE3kYjwwnb3cO5Tbddq3qX9S nCo6QaDK7mTOAylFUKVRz6FDDmGOUmVnsDvgIQNhkbjW1jQ5cOoC4XVcxsdKcIUb LvrSD16ghdR4Jw60Aq2EFNsl6GjIyJ3b+oSReg83bUt/YshId2R8GXeFycp2rn6T +IAA+AXsjfJXd5XVj5U2TGKjydILiUolg6JLgYGjwHsa18A1hV0Q1PTvZTTANSkQ UGPcaOjJIbt27M/w1eqN4wQ78iV4vR5njIJxQgidtylzTj1+j08ADEiKypIbOdIJ YFDlevMl5IohV7UecnG2lm77d7Yrw== X-ME-Sender: X-ME-Proxy: Received: from xps.localnet (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id A123BE491E; Sun, 18 Nov 2018 19:04:28 -0500 (EST) From: Thomas Monjalon To: "tone.zhang" Cc: dev@dpdk.org, gavin.hu@arm.com, bruce.richardson@intel.com, bluca@debian.org, roszenrami@gmail.com, Honnappa.Nagarahalli@arm.com, stephen@networkplumber.org, nd@arm.com Date: Mon, 19 Nov 2018 01:04:27 +0100 Message-ID: <1981649.aFD5vqmUbS@xps> In-Reply-To: <1537938527-14474-1-git-send-email-tone.zhang@arm.com> References: <1537858464-24913-1-git-send-email-tone.zhang@arm.com> <1537938527-14474-1-git-send-email-tone.zhang@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH v6] doc: Clarify IOMMU usage with "uio_pci_generic" kernel module X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Nov 2018 00:04:31 -0000 26/09/2018 07:08, tone.zhang: > If the devices used for DPDK are bound to the "uio_pci_generic" kernel > module, the IOMMU should be disabled in order not to break the IO > transmission because of the virtual / physical address mapping. > > The patch clarifies the IOMMU configurations on both x86_64 and arm64 > systems. > > Signed-off-by: tone.zhang > Reviewed-by: Honnappa Nagarahalli > Reviewed-by: Stephen Hemminger > Reviewed-by: Rami Rosen > Acked-by: Gavin Hu > Acked-by: Bruce Richardson > Acked-by: Luca Boccassi Applied, thanks