From mboxrd@z Thu Jan  1 00:00:00 1970
From: Juergen Gross <jgross@suse.com>
Subject: Re: [PATCH V4 3/7] libxl: add pvusb API
Date: Wed, 17 Jun 2015 13:40:24 +0200
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To: Ian Campbell <ian.campbell@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>, George Dunlap <george.dunlap@eu.citrix.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>, Chunyan Liu <cyliu@suse.com>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>, Jim Fehlig <jfehlig@suse.com>, Simon Cao <caobosimon@gmail.com>
List-Id: xen-devel@lists.xenproject.org

On 06/17/2015 01:34 PM, Ian Campbell wrote:
> On Tue, 2015-06-16 at 16:20 +0200, Juergen Gross wrote:
>> My point was to avoid the sysfs accesses in libxl in order to support
>> BSD as well and to reduce the complexity.
>
> As a slight aside to this, can't libxl use libusb for a lot of this
> stuff and therefore avoid being Linux specific?
>
> http://libusb.info/ claims to support "Linux, OS X, Windows, Windows CE,
> Android, OpenBSD/NetBSD, Haiku.". Interestingly FreeBSD is missing there
> but I don't think that need to be a blocker.
>
> I don't see a problem with adding libusb to our set of dependencies, and
> it's certainly got to be better than (re)implementing a bunch of sysfs
> stuff (which I presume is what libusb does under the hood anyway).

+1


Juergen