Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751568Ab3IFSaf (ORCPT ); Fri, 6 Sep 2013 14:30:35 -0400 Received: from mga09.intel.com ([134.134.136.24]:18893 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750852Ab3IFSad (ORCPT ); Fri, 6 Sep 2013 14:30:33 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.90,855,1371106800"; d="scan'208";a="399513581" Subject: Re: [PATCH RESEND v3 3/7] Intel MIC Host Driver, card OS state management. From: Sudeep Dutt To: Greg Kroah-Hartman Cc: Arnd Bergmann , Rusty Russell , "Michael S. Tsirkin" , Rob Landley , linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-doc@vger.kernel.org, Asias He , Nikhil Rao , Ashutosh Dixit , Caz Yokoyama , Dasaratharaman Chandramouli , Harshavardhan R Kharche , "Yaozu (Eddie) Dong" , Peter P Waskiewicz Jr , Sudeep Dutt In-Reply-To: <20130906050037.GE28806@kroah.com> References: <669a3a3bbfff577c73d05fb568a810cbbc3d5333.1378423596.git.sudeep.dutt@intel.com> <20130906050037.GE28806@kroah.com> Content-Type: text/plain; charset="UTF-8" Date: Fri, 06 Sep 2013 11:30:04 -0700 Message-ID: <1378492204.107744.57.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 (2.28.3-30.el6) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1443 Lines: 32 On Thu, 2013-09-05 at 22:00 -0700, Greg Kroah-Hartman wrote: > On Thu, Sep 05, 2013 at 04:41:55PM -0700, Sudeep Dutt wrote: > > +What: /sys/class/mic/mic(x)/cmdline > > +Date: August 2013 > > +KernelVersion: 3.11 > > +Contact: Sudeep Dutt > > +Description: > > + An Intel MIC device runs a Linux OS during its operation. Before > > + booting this card OS, it is possible to pass kernel command line > > + options to configure various features in it, similar to > > + self-bootable machines. When read, this entry provides > > + information about the current kernel command line options set to > > + boot the card OS. This entry can be written to change the > > + existing kernel command line options. Typically, the user would > > + want to read the current command line options, append new ones > > + or modify existing ones and then write the whole kernel command > > + line back to this entry. > > Is a PAGE_SIZE value going to be big enough for your command line? I > know some embedded systems have horribly long command lines, hopefully > this will be enough for you. > Yes, PAGE_SIZE is more than sufficient for our command line. Thanks, Sudeep Dutt -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/