Re: [PATCH] usbmon: Report device address assigned to USB device

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On Mon, Jan 06, 2020 at 10:37:17AM +0100, Tomasz Moń wrote:
> Make USB device addresses match while sniffing USB communication
> with usbmon and hardware USB sniffer (OpenVizsla) at the same time.
> On xHCI root hubs the address is assigned by hardware and can be
> different than devnum.

This breaks the userspace abi for matching up the devnum with the number
that is listed by the kernel to userspace, making it really hard to
match things up for xhci devices now :(

I understand the need to look at this data, but you can't do it in a way
that will change things like this.

thanks,

greg k-h



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