Messages in this thread | | | Date | Fri, 06 Mar 2015 07:52:23 -0500 | From | Austin S Hemmelgarn <> | Subject | Re: [Xen-devel] [PATCH 3/4] usb: Introduce Xen pvUSB backend |
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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.
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