Piotr Kaczuba <[email protected]> writes:
> Hello!
>
> I'm running a 64-bit kernel and 32-bit userspace. There seems to be some
> unimplemented compability ioctls regarding USB. Dmesg shows the
> following:
>
> [184966.543022] ioctl32(hald-probe-hidd:10760): Unknown cmd fd(4)
> cmd(81004806){01} arg(ffb52dd0) on /dev/usb/hiddev0
>
> and
>
> [50974.410204] ioctl32(vmware-vmx:3470): Unknown cmd fd(140)
> cmd(40109980){00} arg(ffb551a0) on /proc/bus/usb/002/001
>
> Have it been only forgotten or are there other more serious reasons that
> these ioctls are missing?
Some of the USB ioctls were basically impossible to compat due to
broken design. Maybe it's now possible with is_compat_task,
but would be still extremly ugly.
-Andi
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