From owner-freebsd-hackers@FreeBSD.ORG  Wed Apr  7 09:18:00 2004
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 6FF0616A4CE
	for <freebsd-hackers@freebsd.org>;
	Wed,  7 Apr 2004 09:18:00 -0700 (PDT)
Received: from main.gmane.org (main.gmane.org [80.91.224.249])
	by mx1.FreeBSD.org (Postfix) with ESMTP id CF2D043D2F
	for <freebsd-hackers@freebsd.org>;
	Wed,  7 Apr 2004 09:17:59 -0700 (PDT)
	(envelope-from freebsd-hackers@m.gmane.org)
Received: from list by main.gmane.org with local (Exim 3.35 #1 (Debian))
	id 1BBFjk-0005P5-00
	for <freebsd-hackers@freebsd.org>; Wed, 07 Apr 2004 18:17:12 +0200
Received: from mulder.f5.com ([205.229.151.150])
        by main.gmane.org with esmtp (Gmexim 0.1 (Debian))
        id 1AlnuQ-0007hv-00
        for <freebsd-hackers@freebsd.org>; Wed, 07 Apr 2004 18:17:12 +0200
Received: from atkin901 by mulder.f5.com with local (Gmexim 0.1 (Debian))
        id 1AlnuQ-0007hv-00
        for <freebsd-hackers@freebsd.org>; Wed, 07 Apr 2004 18:17:12 +0200
X-Injected-Via-Gmane: http://gmane.org/
To: freebsd-hackers@freebsd.org
From: othermark <atkin901@yahoo.com>
Date: Wed, 07 Apr 2004 09:17:09 -0700
Lines: 9
Message-ID: <c519i5$5vt$1@sea.gmane.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7Bit
X-Complaints-To: usenet@sea.gmane.org
X-Gmane-NNTP-Posting-Host: mulder.f5.com
User-Agent: KNode/0.7.6
Sender: news <news@sea.gmane.org>
Subject: polling for sio?
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 07 Apr 2004 16:18:00 -0000


I'm just looking into DEVICE_POLLING.  Would it be difficult to add polling
functionality to uart or sio?  My main objective would be to get rid of
silo overflows in the sio device for shared interrupt devices.

-- 
othermark
atkin901 at nospam dot yahoo dot com
(!wired)?(coffee++):(wired);