RE: scripts/mod/file2alias.c cross compile problem

[Luck, Tony]

>>>  struct acpi_device_id {
>>>  	__u8 id[ACPI_ID_LEN];
>>> +	__u8 dummy[FILLUP_LEN];
>>>  	kernel_ulong_t driver_data;
>>>  };
>>
>> What's so special about this structure that we get an error?
>
> It's special because it's a device_id structure, and those structures
> must come out identical using either the host or the target compiler.

That didn't help me understand.  Are device_id structures visible
in some user-level API?  If so, then I can see why they'd need to
be the same (but then I'd be confused why this structure uses a
"kernel_ulong_t" type).

-Tony
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