On 03/03/2015 10:22 PM, Brian Gerst wrote:
> 
> It looks like most cases can simply be replaced.  There are some
> subtle relations with the x32 ABI though, and that will take some time
> to sort out.
> 

Yes, some aspects of CONFIG_COMPAT is used also by x32.

Overall the current Linux kernel handles the case of *more* than two
ABIs extremely poorly.  It is not the only case of more than two ABIs,
either; consider ARM for example.

        -hpa


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