Re: RFD: x32 ABI system call numbers

[H. Peter Anvin]

Valdis.Kletnieks@xxxxxx wrote:

>On Sat, 03 Sep 2011 10:41:16 +0200, Arnd Bergmann said:
>
>(Admittedly, I'm tuning in late on this discussion, but...)
>
>> For the ioctl interface however, the __u64/__s64 type in the x32 ABI
>> must be defined with __attribute__((packed,aligned(4))) to match what
>> the kernel implements because it emulates the x86-32 ABI.
>
>Is this a cast-in-stone issue, or is it still not too late to change
>that?
>And if we change that, can we simplify anything?

The complexity of changing that would be enormous.
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