From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f43.google.com (mail-pg0-f43.google.com [74.125.83.43]) by dpdk.org (Postfix) with ESMTP id 6DE552C55 for ; Wed, 19 Jul 2017 21:04:31 +0200 (CEST) Received: by mail-pg0-f43.google.com with SMTP id y129so4002485pgy.4 for ; Wed, 19 Jul 2017 12:04:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=PAMMrQFaEsA71fYSFKGSua73QuuOKmMhUZjVilppjks=; b=DzRSKMiBeWpgUhvEvzDExKVrNK2UT/AvshrVI3c2grXxpB6xHwn7v8GvuTxBnkFDKU gRavkdcnruGt+pkmAGMZ+mSCMiP8NvATxjdirx9aoolBD+VlZKcFPQ1RzK3LUNk8+H4t IKSVvamPLVO13X+cGh+AsabDNdy3pMrebR9bTOsRqa4OxnUSoEo8uhW4wck/Sb+mv0Ce /EFrPZ0TCTDrC/hEhU530SN8LqTz4vak7G5pWPTo/IPwnWcHi/B98ppb9SZjiyV1lVl6 FQY6MEFnt5a4iENANqluyW1pqUlWXP1QwlVrFQqzpC188Rp/n6iB29fh9Ilv63FaoJL/ Bk/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=PAMMrQFaEsA71fYSFKGSua73QuuOKmMhUZjVilppjks=; b=ehO5F2mgXO9uKBdb4RaFcb3A7NM0GtCJBOI9hEq/3B7FsEkEJhr8TvInYwdFaBxnEB M0U6y4pqv8tli5DrwAWTh3GxtGTXa4WvFCUM8SV8LEZWyXa2J8oDsd8/BF1XLnlPSe+J r325h9umzmYwV1feDtpq7j/T1oAM0gaekMSAIvyzTDpcLjGMdaJW2eDfMG0RqCEqRYwB 3/9jPIGi7OO5G+eITWfMklDVUfcAWCTVKN8wuassmPf0VX7dqabLfeFgfPXkvjLsjKLi oOyhnERcvyKPWVla+6ACpjKY/cRT7kggABGysN3nnTnhxNeSIB3dwQjgak8Pqu6WmXVk 2JKA== X-Gm-Message-State: AIVw112haN2SSUM4Y8JZEGHlk4iugDmsGz4xw6kYd0MLmlwoBGOzVibt EFVApeIsiMPNQQCd X-Received: by 10.84.129.7 with SMTP id 7mr1162020plb.133.1500491070609; Wed, 19 Jul 2017 12:04:30 -0700 (PDT) Received: from xeon-e3 (76-14-207-240.or.wavecable.com. [76.14.207.240]) by smtp.gmail.com with ESMTPSA id e5sm1323401pfd.41.2017.07.19.12.04.30 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 19 Jul 2017 12:04:30 -0700 (PDT) Date: Wed, 19 Jul 2017 12:04:28 -0700 From: Stephen Hemminger To: edin burgh Cc: users@dpdk.org Message-ID: <20170719120428.0ab9c39e@xeon-e3> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-users] IOMMU support in UIO X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Jul 2017 19:04:32 -0000 On Wed, 19 Jul 2017 11:31:28 -0700 edin burgh wrote: > Hello, > > I wanted to know if igb_uio or uio_pci_generic has support for IOMMU on x86 > systems. If you have an IOMMU, use VFIO. igb_uio and uio_pci_generic are unsafe and provide no memory protection.