From: Andi Kleen <ak@suse.de>
To: Piotr Kaczuba <pepe@attika.ath.cx>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [x86-64] ioctl32 for USB
Date: 26 Jun 2006 13:49:22 +0200 [thread overview]
Message-ID: <p738xnkuofx.fsf@verdi.suse.de> (raw)
In-Reply-To: <20060626113037.GA6265@attika.ath.cx>
Piotr Kaczuba <pepe@attika.ath.cx> 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
prev parent reply other threads:[~2006-06-26 11:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-26 11:30 Piotr Kaczuba
2006-06-26 11:49 ` Andi Kleen [this message]
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