From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Horman Subject: Re: [PATCH V2 net-next 0/2] liquidio: Add support for managing liquidio adapter Date: Sun, 30 Jul 2017 22:21:04 +0200 Message-ID: <20170730202103.GA8969@vergenet.net> References: <20170729061707.GA1134@felix-thinkpad.cavium.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: davem@davemloft.net, netdev@vger.kernel.org, raghu.vatsavayi@cavium.com, derek.chickles@cavium.com, satananda.burla@cavium.com, veerasenareddy.burru@cavium.com, Jakub Kicinski To: Felix Manlunas Return-path: Received: from mail-wm0-f47.google.com ([74.125.82.47]:35844 "EHLO mail-wm0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754239AbdG3UVH (ORCPT ); Sun, 30 Jul 2017 16:21:07 -0400 Received: by mail-wm0-f47.google.com with SMTP id t201so163505822wmt.1 for ; Sun, 30 Jul 2017 13:21:06 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20170729061707.GA1134@felix-thinkpad.cavium.com> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, Jul 28, 2017 at 11:17:07PM -0700, Felix Manlunas wrote: > From: Veerasenareddy Burru > > The LiquidIO adapter has processor cores that can run Linux. This patch > set adds support to create a virtual Ethernet interface on host to > communicate with applications running on Linux in the LiquidIO adapter. > The virtual Ethernet interface also provides login access to Linux on > LiquidIO through ssh for management and debugging. As per the somewhat more detailed feedback provided by my colleague Jakub Kicinski to v1 of this patchset[1] I am concerned that this patchset breaks down the long standing practice of not granting direct access to firmware from userspace. [1] https://www.spinics.net/lists/netdev/msg444929.html