compat_ioctl (was [PATCH update] ieee1394: cycle timer read extension for raw1394/libraw1394)

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I wrote on 2007-02-03:
> +#define RAW1394_IOC_GET_CYCLE_TIMER		\
> +	_IOR ('#', 0x30, struct raw1394_cycle_timer)
...
> +/* argument to RAW1394_IOC_GET_CYCLE_TIMER ioctl */
> +struct raw1394_cycle_timer {
> +	/* contents of Isochronous Cycle Timer register,
> +	   as in OHCI 1.1 clause 5.13 (also with non-OHCI hosts) */
> +	__u32 cycle_timer;
> +
> +	/* local time in microseconds since Epoch,
> +	   simultaneously read with cycle timer */
> +	__u64 local_time;
> +};
>  #endif /* IEEE1394_RAW1394_H */

Hmm, is this struct padded on 64bit platforms?
If so, would
	struct raw1394_cycle_timer {
		__u64 local_time;
		__u32 cycle_timer;
	};
be padded too?
-- 
Stefan Richter
-=====-=-=== --=- -=-=-
http://arcgraph.de/sr/
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