On Tue, Jun 26, 2012 at 2:11 PM, Mark Butler <butl...@middle.net> wrote: > >> x32 is designed to replace ia32 where long is 32-bit, not x86-64. >> > I understand, but wouldn't L64P32 be much better in the long run? In terms > of compatibility with LP64, and an LP64 kernel in particular? The structure > layouts of any structure that did not contain pointers would be identical, > for example. struct timeval, struct timespec, struct stat, and on and on...
Linux/x32 uses the same layout for struct timeval, struct timespec, struct stat, as Linux/x86-64. It is orthogonal to L64 vs L32. -- H.J.