Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 3 Oct 2002 17:14:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 3 Oct 2002 17:14:48 -0400 Received: from gateway-1237.mvista.com ([12.44.186.158]:45553 "EHLO av.mvista.com") by vger.kernel.org with ESMTP id ; Thu, 3 Oct 2002 17:14:46 -0400 Message-ID: <3D9CB470.8BCA89F7@mvista.com> Date: Thu, 03 Oct 2002 14:19:44 -0700 From: george anzinger Organization: Monta Vista Software X-Mailer: Mozilla 4.77 [en] (X11; U; Linux 2.2.12-20b i686) X-Accept-Language: en MIME-Version: 1.0 To: Benjamin LaHaise CC: David Howells , linux-kernel@vger.kernel.org Subject: Re: Dual PPro timer stopping problem References: <14632.1033653828@warthog.cambridge.redhat.com> <3D9C7E7E.7B2BFB52@mvista.com> <20021003164641.F16875@redhat.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 975 Lines: 24 Benjamin LaHaise wrote: > > On Thu, Oct 03, 2002 at 10:29:34AM -0700, george anzinger wrote: > > The keyboard is, or at least depends on polling which is > > controled by a timer, thus, no timer, => no keyboard. > > Eh? Sure, by a timer internal to the keyboard itself. At least x86 > hardware has an interrupt wired to its keyboard controller that is used > to signal when a keystroke is available, and if you look into the driver, > you'd see that no timers are used at all. > Hm? I must have been seeing double ;) Been doing that a lot lately :( -- George Anzinger george@mvista.com High-res-timers: http://sourceforge.net/projects/high-res-timers/ Preemption patch: http://www.kernel.org/pub/linux/kernel/people/rml - 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/