From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26165 invoked by alias); 28 Jul 2005 16:28:05 -0000 Mailing-List: contact systemtap-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sources.redhat.com Received: (qmail 26124 invoked by uid 22791); 28 Jul 2005 16:27:59 -0000 Message-ID: <42E90600.3040709@opersys.com> Date: Thu, 28 Jul 2005 16:28:00 -0000 From: Karim Yaghmour Reply-To: karim@opersys.com Organization: Opersys inc. User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.2) Gecko/20040805 Netscape/7.2 X-Accept-Language: en-us, en, fr, fr-be, fr-ca, fr-fr MIME-Version: 1.0 To: Masami Hiramatsu CC: "Keshavamurthy, Anil S" , Masami Hiramatsu , Roland McGrath , Richard J Moore , SystemTAP , sugita@sdl.hitachi.co.jp, Satoshi Oshima Subject: Re: Hitachi djprobe mechanism References: <44BDAFB888F59F408FAE3CC35AB4704101E506F6@orsmsx409> <42E83895.6070602@opersys.com> <42E83CEC.8040702@opersys.com> In-Reply-To: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-SW-Source: 2005-q3/txt/msg00146.txt.bz2 Masami Hiramatsu wrote: > I think so. the size of smallest jmp instruction is 2 bytes on i386, > but the smallest instruction is 1byte on i386 (ex. pushl %esi). > I will try to add safety check routine in sched() and do_IRQ(). I'm sorry, I'm probably missing something. What will the checks in sched() and do_IRQ() do to avoid problems? Karim -- Author, Speaker, Developer, Consultant Pushing Embedded and Real-Time Linux Systems Beyond the Limits http://www.opersys.com || karim@opersys.com || 1-866-677-4546