From owner-freebsd-current@FreeBSD.ORG  Sun Jul 22 05:43:55 2012
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 6E9C9106564A
	for <current@freebsd.org>; Sun, 22 Jul 2012 05:43:55 +0000 (UTC)
	(envelope-from imp@bsdimp.com)
Received: from mail-ob0-f182.google.com (mail-ob0-f182.google.com
	[209.85.214.182])
	by mx1.freebsd.org (Postfix) with ESMTP id 2BD808FC0A
	for <current@freebsd.org>; Sun, 22 Jul 2012 05:43:55 +0000 (UTC)
Received: by obbun3 with SMTP id un3so9671373obb.13
	for <current@freebsd.org>; Sat, 21 Jul 2012 22:43:54 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
	d=google.com; s=20120113;
	h=sender:subject:mime-version:content-type:from:in-reply-to:date:cc
	:content-transfer-encoding:message-id:references:to:x-mailer
	:x-gm-message-state;
	bh=MimgvChrHegjzlaDrtTfijFw3OD495FOrALTPpG3QQc=;
	b=E74j18XbDjhsILg89U1dq7XTQpKCwVvvMjELzIbM3MiWjAckqaTbrVy+L9qSEIS+PP
	ZWkzxAW2lNMeXonccDrHZMiN22hm79iOBa+QvkB/OGq6HHHOC2P9cgX+L1504o0XBeBn
	3mfOncezYdzFo8ICkqWijLFPsDgUCzsyg9Bk3yj9WPRudAHBJiI6crw2mC4O0YLULJTR
	bfrQWlffTqovF+WYbuijw9DJ1uqurAYqoDt5OWPAMGL1oepmLKyLIci+GQvdXyqv0hYo
	8FZEumwc8nYaJ69+uZg7z41/A5vbbumKhYJtKP/KbvTyrSQX3+iRSQ9Eef4LB81LTa2B
	CyIw==
Received: by 10.42.50.17 with SMTP id y17mr2082406icf.44.1342935834441;
	Sat, 21 Jul 2012 22:43:54 -0700 (PDT)
Received: from 63.imp.bsdimp.com
	(50-78-194-198-static.hfc.comcastbusiness.net. [50.78.194.198])
	by mx.google.com with ESMTPS id nh8sm4939295igc.1.2012.07.21.22.43.53
	(version=TLSv1/SSLv3 cipher=OTHER);
	Sat, 21 Jul 2012 22:43:53 -0700 (PDT)
Sender: Warner Losh <wlosh@bsdimp.com>
Mime-Version: 1.0 (Apple Message framework v1084)
Content-Type: text/plain; charset=us-ascii
From: Warner Losh <imp@bsdimp.com>
In-Reply-To: <500A0E24.80101@freebsd.org>
Date: Sat, 21 Jul 2012 23:43:53 -0600
Content-Transfer-Encoding: quoted-printable
Message-Id: <4E1BED2F-5503-428A-8935-CCB508DE284A@bsdimp.com>
References: <500A0E24.80101@freebsd.org>
To: Julian Elischer <julian@FreeBSD.org>
X-Mailer: Apple Mail (2.1084)
X-Gm-Message-State: ALoCoQnGY9SCFAkxxDEOcgSEdgHlgRjcGCWzlrAd6yigSPfbvpiHQpeQF87hidK0gx+OVry+TcQ+
Cc: FreeBSD Current <current@freebsd.org>
Subject: Re: PCIe hotplug
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 22 Jul 2012 05:43:55 -0000


On Jul 20, 2012, at 8:04 PM, Julian Elischer wrote:
> Is anyone looking at PCIe hotplug support?

I have :).  I did CardBus ages ago, but never have had the time, =
hardware and motivation all at the same time to make progress.

> I'm especially interested if anyone has a strategy for device =
re-insertion and reassociating
> the reinserted device with its old device_t so that it gets the same =
unit number..
> (assumes access to a serial number or similar)
> Even if it is put back into a different slot.

That's never been supported by removable technology on FreeBSD...

Warner