From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753265AbYIBA6S (ORCPT ); Mon, 1 Sep 2008 20:58:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751517AbYIBA6G (ORCPT ); Mon, 1 Sep 2008 20:58:06 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:56592 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751276AbYIBA6G (ORCPT ); Mon, 1 Sep 2008 20:58:06 -0400 Date: Tue, 2 Sep 2008 01:40:58 +0100 From: Alan Cox To: Mikhail Kshevetskiy Cc: Linux Kernel Mailing List Subject: Re: forcedeth: option to disable 100Hz timer Message-ID: <20080902014058.0253cae2@lxorguk.ukuu.org.uk> In-Reply-To: <20080902024748.5528d1bb@gmail.com> References: <20080902024748.5528d1bb@gmail.com> X-Mailer: Claws Mail 3.5.0 (GTK+ 2.12.11; x86_64-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2 Sep 2008 02:47:48 +0400 Mikhail Kshevetskiy wrote: > On some hardware no TX done interrupts are generated, thus special > 100Hz timer interrupt is required to handle this situation properly. > Other device do not require that timer interrupt feature. > > Patch add a "disable_timerirq" option to disable interrupt timer > mentioned above. This may be extremely usefull for laptop users. Is it not possible to detect this case. Do the problem devices just miss some TX interrupts or generate most but not all ? Alan