Re: [PATCH 0/5] x86: IA32 emulation cleanups

From: H. Peter Anvin
Date: Thu Mar 05 2015 - 17:38:37 EST

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.


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