Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262021AbVERAET (ORCPT ); Tue, 17 May 2005 20:04:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262008AbVERAET (ORCPT ); Tue, 17 May 2005 20:04:19 -0400 Received: from turing-police.cc.vt.edu ([128.173.14.107]:1029 "EHLO turing-police.cc.vt.edu") by vger.kernel.org with ESMTP id S261748AbVERAEB (ORCPT ); Tue, 17 May 2005 20:04:01 -0400 Message-Id: <200505180003.j4I03cJo008917@turing-police.cc.vt.edu> X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.1-RC3 To: Lee Revell Cc: christoph , George Anzinger , linux-kernel , shai@scalex86.org, akpm@osdl.org Subject: Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt. In-Reply-To: Your message of "Tue, 17 May 2005 19:25:41 EDT." <1116372341.32210.39.camel@mindpipe> From: Valdis.Kletnieks@vt.edu References: <1116276689.28764.1.camel@mindpipe> <1116372341.32210.39.camel@mindpipe> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1116374618_5349P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Tue, 17 May 2005 20:03:38 -0400 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1149 Lines: 32 --==_Exmh_1116374618_5349P Content-Type: text/plain; charset=us-ascii On Tue, 17 May 2005 19:25:41 EDT, Lee Revell said: > How do you expect application developers to handle not being able to > count on the resolution of nanosleep()? Currently they can at least > assume 10ms on 2.4, 1ms on 2.6. Seems to me that if you are no longer > guaranteed to be able to sleep 5ms on 2.6, you would just have to > busywait. Is it me, or does that way lie madness? If you're running tickless, wouldn't a 'sleep 5ms' cause a timer event to be queued, and we wake up (approx) 5ms later? --==_Exmh_1116374618_5349P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFCioZacC3lWbTT17ARAvxYAJ4jhASe2PD1esteazQireEMm4P/NwCguOPz J91CNJ95nl3hHRgOwnNQb4Y= =btUI -----END PGP SIGNATURE----- --==_Exmh_1116374618_5349P-- - 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/