From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f46.google.com (mail-pg0-f46.google.com [74.125.83.46]) by dpdk.org (Postfix) with ESMTP id 0DD0C2C55 for ; Wed, 19 Jul 2017 22:33:20 +0200 (CEST) Received: by mail-pg0-f46.google.com with SMTP id k14so5011710pgr.0 for ; Wed, 19 Jul 2017 13:33:19 -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=tFUBwTSlUh5omo8CcXTFEBX63i47Vu33P8dPLG+NCUo=; b=FA3qxJSoy5/jEWjOId5GQU/4ZXOoZI4Ih8ABu+fJDgGdcvR+kMF05uoxhppISBjR1K jGd/U+YfgVsgmay9cwgbFd9rxG60KBbDZmPLfyfVuKW//Kikq5hemGvp1s4pex0A2YD9 oZlwtqgv86/ajXMqnmW2kUe5Ty3Vwlh7HOj8Cvj3hMTVuet1DDJX3mkDmfkXIkZbBx59 oDth+XR+if0Swoo8pZkE4B0GSyWP88sh0DGtlkAfTEWHypgKbpCmOd22pPVNc8a6ExwF oehS2dD2W4xiLfP7GSrP2ikIKcq/kjykcrlVBvPqADFMWdSCj8NJPQ3aeZVTDWSZ4OSu Khug== 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=tFUBwTSlUh5omo8CcXTFEBX63i47Vu33P8dPLG+NCUo=; b=ThB22h+C0Znua7Cx//0XzvPNqn1b1RiFQK/YoGX1W2KKvyjNQoIXXUWCKPqIsW46Kx MRdCRGBqEJwt2GS8rm5MRopftfadI9WhnC/60Fb0WLdPtKY4LUppZ54zMzDERyRF5XXb Sn2+01Klz6oeRQM89RktvSEu55Y/MR7TFEepk0N8h39XgX2RtbT87LYcuRB+O77Io87p LbPeRKI93klyHcuiVPvXS7ky9DOdF0os5p8tV1SIyOwskc5AiuMYYxd2gXWiyKdXMHoM MKRci3I3JyaBKzKIhKg5iksP6wCtbapSAJWP5ZHOzNEarSx4QR9oHnlQB2ZkyOKaUNc2 ZiIg== X-Gm-Message-State: AIVw1130XnNLo7BF5jin9tok9W5228yoFg9zLtJfqUjFDYQIjCRrxpTM 0wneaOPGHlpAcwVy X-Received: by 10.99.174.9 with SMTP id q9mr1361604pgf.330.1500496399363; Wed, 19 Jul 2017 13:33:19 -0700 (PDT) Received: from xeon-e3 (76-14-207-240.or.wavecable.com. [76.14.207.240]) by smtp.gmail.com with ESMTPSA id 124sm1182668pgj.57.2017.07.19.13.33.19 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 19 Jul 2017 13:33:19 -0700 (PDT) Date: Wed, 19 Jul 2017 13:33:17 -0700 From: Stephen Hemminger To: edin burgh Cc: users@dpdk.org Message-ID: <20170719133317.10b0306b@xeon-e3> In-Reply-To: References: <20170719120428.0ab9c39e@xeon-e3> 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 20:33:20 -0000 On Wed, 19 Jul 2017 13:13:34 -0700 edin burgh wrote: > Thank you for the reply Stephen. Safety and protection issues aside, do > uio_pci_generic and igb_uio have the functionality to support IOMMU? No they dont use IOMMU. There was also a bug in some releases that if the IOMMU was enabled, it would block access via UIO.