Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262905AbUDQSvg (ORCPT ); Sat, 17 Apr 2004 14:51:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263927AbUDQSvf (ORCPT ); Sat, 17 Apr 2004 14:51:35 -0400 Received: from opersys.com ([64.40.108.71]:15376 "EHLO www.opersys.com") by vger.kernel.org with ESMTP id S262905AbUDQSve (ORCPT ); Sat, 17 Apr 2004 14:51:34 -0400 Message-ID: <40817E14.7040500@opersys.com> Date: Sat, 17 Apr 2004 14:57:24 -0400 From: Karim Yaghmour Reply-To: karim@opersys.com Organization: Opersys inc. User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 X-Accept-Language: en-us, en, fr, fr-be, fr-ca, fr-fr MIME-Version: 1.0 To: MNH CC: Linux-Kernel Subject: Re: Interrupt handler References: <1082023366.3953.6.camel@localhost.localdomain> In-Reply-To: <1082023366.3953.6.camel@localhost.localdomain> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 931 Lines: 25 MNH wrote: > If a process is executing a system call, and an interrupt is invoked, > the process blocks. Now since interrupt handlers cannot block, the time > for which the IH runs is taken out of the process's time-slice ( Is this > right ?). > > What if the IH takes up all of the process's time-slice, does the > process gets knocked off the current list and thrown into the expired > list or is there something more to it? This is the kind of thing LTT will allow you to see: http://www.opersys.com/LTT/ 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 - 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/