Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267602AbUIGGN4 (ORCPT ); Tue, 7 Sep 2004 02:13:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267603AbUIGGN4 (ORCPT ); Tue, 7 Sep 2004 02:13:56 -0400 Received: from mx1.redhat.com ([66.187.233.31]:3236 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S267602AbUIGGNy (ORCPT ); Tue, 7 Sep 2004 02:13:54 -0400 Subject: Re: sleep and wakeup at microsecond boundary From: Arjan van de Ven Reply-To: arjanv@redhat.com To: nucleon@nucleodyne.com Cc: Mike Galbraith , "linux-kernel@vger.kernel.org" In-Reply-To: <1094536010.3436.34.camel@localhost.localdomain> References: <5.2.1.1.2.20040905085650.00b1e640@pop.gmx.net> <1094536010.3436.34.camel@localhost.localdomain> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-M3E8LCB7U3qS+s5x3ZrZ" Organization: Red Hat UK Message-Id: <1094537619.2801.5.camel@laptop.fenrus.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Tue, 07 Sep 2004 08:13:39 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1109 Lines: 38 --=-M3E8LCB7U3qS+s5x3ZrZ Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Tue, 2004-09-07 at 07:46, NucleoDyne Systems, Inc. wrote: > Hello, > Let me explain the requirement a little more in detail. >=20 > Consider the routine sleep_on_timeout(, timeout) in sched.c: please don't use this routine. It's severely deprecated. > On x86 the jiffies is updated every time PIT raises interrupt and > do_timer() is called, i.e. once in every 10ms. it's 1ms nowadays.... --=-M3E8LCB7U3qS+s5x3ZrZ Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQBBPVGTxULwo51rQBIRAp/tAJ4kzx/Tdz834igpegZW2t5Zpn+IJgCfXw0d iwO278jc5FkRx6TEHoVSMzg= =t2O0 -----END PGP SIGNATURE----- --=-M3E8LCB7U3qS+s5x3ZrZ-- - 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/