Re: [Xen-devel] [PATCH 3/4] usb: Introduce Xen pvUSB backend

From: David Vrabel
Date: Wed Mar 04 2015 - 09:19:59 EST

On 04/03/15 14:09, 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?

I have no idea. We (XenServer) have no use cases at all for USB device

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at