Mikael Pettersson <[email protected]> writes:
> On Thu, 11 May 2006 14:13:22 +0200, Gerd Hoffmann wrote:
> >+ if (0 == (__smp_alt_end - __smp_alt_begin))
> >+ return; /* no tables, nothing to patch (UP kernel) */
>
> That's an unnecessarily obscure way of stating the obvious:
>
> if (__smp_alt_end == __smp_alt_begin)
iirc ISO-C guarantees that symbols have different values and the
optimizer could possibly make use of that fact. So you might actually
need some RELOC_HIDE()s to make this safe.
-Andi
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