From: Austin S Hemmelgarn <ahferroin7@gmail.com>
To: Juergen Gross <jgross@suse.com>,
David Vrabel <david.vrabel@citrix.com>,
linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com,
konrad.wilk@oracle.com, boris.ostrovsky@oracle.com,
linux-usb@vger.kernel.org, gregkh@linuxfoundation.org,
cyliu@suse.com
Subject: Re: [Xen-devel] [PATCH 3/4] usb: Introduce Xen pvUSB backend
Date: Fri, 06 Mar 2015 07:52:23 -0500 [thread overview]
Message-ID: <54F9A307.1080708@gmail.com> (raw)
In-Reply-To: <54F71221.6050800@suse.com>
On 2015-03-04 09:09, Juergen Gross wrote:
> The main question whether it is worth to consider this alternative is
> the performance aspect. Does anyone have an idea which USB devices would
> typically be used via pvusb? I'd suspect memory sticks and USB disks
> and perhaps webcams being the most performance relevant ones. Is an
> additional copy operation of user data acceptable here?
>
Biggest use-cases I can think of for USB pass-through would be hardware
'security' devices (fingerprint readers, Yubikeys, SafeNet dongles),
webcams, and some of the more exotic input devices. Webcams and input
devices are probably the most significant performance-wise.
next prev parent reply other threads:[~2015-03-06 12:52 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-26 13:35 [PATCH 0/4] xen, usb: support pvUSB drivers Juergen Gross
2015-02-26 13:35 ` [PATCH 1/4] usb: Add Xen pvUSB protocol description Juergen Gross
2015-02-26 13:35 ` [PATCH 2/4] usb: Introduce Xen pvUSB frontend Juergen Gross
2015-02-26 14:09 ` Oliver Neukum
2015-02-26 13:35 ` [PATCH 3/4] usb: Introduce Xen pvUSB backend Juergen Gross
2015-03-02 11:39 ` [Xen-devel] " David Vrabel
2015-03-02 11:39 ` David Vrabel
2015-03-04 13:31 ` Juergen Gross
2015-03-04 13:41 ` Ian Campbell
2015-03-04 13:41 ` Ian Campbell
2015-03-04 13:45 ` Juergen Gross
2015-03-04 13:53 ` David Vrabel
2015-03-04 13:53 ` David Vrabel
2015-03-04 14:09 ` Juergen Gross
2015-03-04 14:09 ` Juergen Gross
2015-03-04 14:19 ` David Vrabel
2015-03-04 14:19 ` David Vrabel
2015-03-04 14:29 ` Ian Campbell
2015-03-04 14:29 ` Ian Campbell
2015-03-04 14:41 ` Juergen Gross
2015-03-04 14:43 ` Peter Stuge
2015-03-04 14:43 ` Peter Stuge
2015-03-04 14:46 ` Ian Campbell
2015-03-04 14:46 ` Ian Campbell
2015-03-06 10:59 ` Pasi Kärkkäinen
2015-03-06 10:59 ` Pasi Kärkkäinen
2015-03-06 12:52 ` Austin S Hemmelgarn [this message]
2015-03-04 15:27 ` [Xen-devel] " Greg KH
2015-03-04 15:31 ` Juergen Gross
2015-02-26 13:35 ` [PATCH 4/4] xen: add Xen pvUSB maintainer Juergen Gross
2015-02-26 17:25 ` Konrad Rzeszutek Wilk
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