From owner-cvs-all  Sun Nov 10 21:43:20 2002
Delivered-To: cvs-all@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 1F16637B401; Sun, 10 Nov 2002 21:43:19 -0800 (PST)
Received: from is2.mh.itc.u-tokyo.ac.jp (is2.mh.itc.u-tokyo.ac.jp [133.11.205.12])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 401A343E6E; Sun, 10 Nov 2002 21:43:18 -0800 (PST)
	(envelope-from simokawa@sat.t.u-tokyo.ac.jp)
Received: from is2.mh.itc.u-tokyo.ac.jp (is2.mh.itc.u-tokyo.ac.jp [127.0.0.1])
	by is2.mh.itc.u-tokyo.ac.jp (Postfix) with ESMTP
	id 48F763780CA; Mon, 11 Nov 2002 14:43:12 +0900 (JST)
Received: from mailhosting.itc.u-tokyo.ac.jp (IDENT:mirapoint@mailhosting.itc.u-tokyo.ac.jp [133.11.205.3])
	by is2.mh.itc.u-tokyo.ac.jp (8.11.3/8.11.3) with ESMTP id gAB5hCm04283;
	Mon, 11 Nov 2002 14:43:12 +0900
Received: from ett.sat.t.u-tokyo.ac.jp (nat.keisu.t.u-tokyo.ac.jp [133.11.68.2])
	by mailhosting.itc.u-tokyo.ac.jp (Mirapoint Messaging Server MOS 2.9.3.2)
	with ESMTP id AHI19013;
	Mon, 11 Nov 2002 14:43:11 +0900 (JST)
Date: Mon, 11 Nov 2002 14:43:11 +0900
Message-ID: <ybsd6pchdao.wl@ett.sat.t.u-tokyo.ac.jp>
From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
To: Poul-Henning Kamp <phk@critter.freebsd.dk>
Cc: Hidetoshi Shimokawa <simokawa@FreeBSD.org>,
	cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org,
	takashi@yha.att.ne.jp
Subject: Re: cvs commit: src/sys/dev/nge if_nge.c if_ngereg.h 
In-Reply-To: <28575.1036954435@critter.freebsd.dk>
References: <ybsk7jlhavm.wl@ett.sat.t.u-tokyo.ac.jp>
	<28575.1036954435@critter.freebsd.dk>
User-Agent: Wanderlust/2.11.0 (Wonderwall) REMI/1.14.3 (Matsudai)
 FLIM/1.14.3 (=?ISO-8859-1?Q?Unebigory=F2mae?=) APEL/10.3 MULE XEmacs/21.4
 (patch 8) (Honest Recruiter) (i386--freebsd)
X-Face: OE([KxWyJI0r[R~S/>7ia}SJ)i%a,$-9%7{*yihQk|]gl}2p#"oXmX/fT}Bn7:
 #j7i14gu$jgR\S*&C3R/pJX<mI-4Z8'mqt1R'CjWdw-xqVoilv`\JgZcquM5oV
 uO^<vt/~051rCDM(`{rM~?{Okr,XC+}Ycm9IJO)odT*-0nyJjBJYzL{GsZ
MIME-Version: 1.0 (generated by REMI 1.14.3 - "Matsudai")
Content-Type: text/plain; charset=US-ASCII
Sender: owner-cvs-all@FreeBSD.ORG
Precedence: bulk
List-ID: <cvs-all.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20cvs-all>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20cvs-all>
X-Loop: FreeBSD.ORG

At Sun, 10 Nov 2002 19:53:55 +0100,
Poul-Henning Kamp wrote:
> 
> In message <ybsk7jlhavm.wl@ett.sat.t.u-tokyo.ac.jp>, Hidetoshi Shimokawa writes
> :
> >Do you have any good reason to believe that device polling doesn't
> >help in most cases?
> 
> It hurts in low-trafic scenarios.

I understand this is a reason why device polling is not enabled by
default.

> Well, hopefully we can find a non-hack solution to this when our stack
> turns more SMP like.

Could you elaborate on this? Any document about SMP like stack and
NIC performance? Is it still useful for UP system?

/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe cvs-all" in the body of the message