From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932436AbWASRQw (ORCPT ); Thu, 19 Jan 2006 12:16:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932572AbWASRQw (ORCPT ); Thu, 19 Jan 2006 12:16:52 -0500 Received: from zproxy.gmail.com ([64.233.162.192]:26783 "EHLO zproxy.gmail.com") by vger.kernel.org with ESMTP id S932436AbWASRQv convert rfc822-to-8bit (ORCPT ); Thu, 19 Jan 2006 12:16:51 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=gJmkVpJlRsdGpvaUG5HrHfjWVQv8iuhIyBkqkNQk9guzb7ucu2QoAxnJpzg0MChURXC5sq9RI9kyZpVM+fyYsxBvkmSN8VWggsuF0j2/qbD/4n4bPv5QH4K4r4BpXMw1JNnv2L2mNoLN4m2zBhLZ4OtpY4kAFOgw9Z0dspdPqR4= Message-ID: <56a8daef0601190916v463d06edp23bbe0b849f81217@mail.gmail.com> Date: Thu, 19 Jan 2006 09:16:50 -0800 From: John Ronciak To: Adrian Bunk Subject: Re: My vote against eepro* removal Cc: kus Kusche Klaus , Lee Revell , linux-kernel@vger.kernel.org, john.ronciak@intel.com, ganesh.venkatesan@intel.com, jesse.brandeburg@intel.com, netdev@vger.kernel.org In-Reply-To: <20060119162056.GP19398@stusta.de> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <20060119162056.GP19398@stusta.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org During the watchdog the e100 driver reads all of the status registers from the actual hardware. There are 26 (worst case) register reads. There is also a spin lock for another check in the watchdog. It would still surprise me that all of this would take 500 usec. If you are seeing this delay, you can comment out the scheduling of the watchdog to see if this goes away. We'll need to narrow down exactly what in the watchdog is causing the delay Thanks. -- Cheers, John