From owner-freebsd-arch@FreeBSD.ORG  Sun Dec  2 16:39:25 2007
Return-Path: <owner-freebsd-arch@FreeBSD.ORG>
Delivered-To: arch@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 505C516A480
	for <arch@FreeBSD.org>; Sun,  2 Dec 2007 16:39:25 +0000 (UTC)
	(envelope-from imp@bsdimp.com)
Received: from harmony.bsdimp.com (bsdimp.com [199.45.160.85])
	by mx1.freebsd.org (Postfix) with ESMTP id D77E713C46B
	for <arch@FreeBSD.org>; Sun,  2 Dec 2007 16:39:24 +0000 (UTC)
	(envelope-from imp@bsdimp.com)
Received: from localhost (localhost [127.0.0.1])
	by harmony.bsdimp.com (8.14.1/8.14.1) with ESMTP id lB2GWdRK071258;
	Sun, 2 Dec 2007 09:32:40 -0700 (MST) (envelope-from imp@bsdimp.com)
Date: Sun, 02 Dec 2007 09:36:03 -0700 (MST)
Message-Id: <20071202.093603.228972203.imp@bsdimp.com>
To: phk@phk.freebsd.dk
From: "M. Warner Losh" <imp@bsdimp.com>
In-Reply-To: <19827.1196612123@critter.freebsd.dk>
References: <20071202.085545.177225588.imp@bsdimp.com>
	<19827.1196612123@critter.freebsd.dk>
X-Mailer: Mew version 5.2 on Emacs 21.3 / Mule 5.0 (SAKAKI)
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: arch@FreeBSD.org
Subject: Re: New "timeout" api, to replace callout 
X-BeenThere: freebsd-arch@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussion related to FreeBSD architecture <freebsd-arch.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arch>,
	<mailto:freebsd-arch-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-arch>
List-Post: <mailto:freebsd-arch@freebsd.org>
List-Help: <mailto:freebsd-arch-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arch>,
	<mailto:freebsd-arch-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 02 Dec 2007 16:39:25 -0000

In message: <19827.1196612123@critter.freebsd.dk>
            "Poul-Henning Kamp" <phk@phk.freebsd.dk> writes:
: In message <20071202.085545.177225588.imp@bsdimp.com>, "M. Warner Losh" writes:
: 
: >There are a number of places in the tree that use a parameter of '1'
: >today to mean "next time that's convenient."  Some of these places are
: >clever and know that HZ is never < 100 or > 1000 (or so they think),
: >while others are just sloppy code.
: 
: Yes, but those can hardly be called "concrete" in terms of wanting
: to know what they mean, can they ? :-)
: 
: The only way I can see we can deal with them in the short term,
: is to ask for timeouts of "1000000 / hz, TIMEOUT_USEC"

Or have a "timeout_soon" function like you have the other timeout
conversion routines.

Warner