Re: gcc 3.0.2/kernel details (-O issue)

[devik <devik@cdi.cz>]

> > optimization introduce are accepted.  Removing the optimization may
> > break those expectations.  Thus the kernel requires it.
>
> Huh? Those expectations are *bugs*.
>
> Kernel will not link without optimalizations because it *needs*
> inlining. Any else dependency is a *bug*.

Pavel, thanks for your reply. I already started to be afraid that
kernel code makes such strange expectations.
Inlining. Yes it explains a lot. It is the difference between -O
and -O2.
BTW the kernel compiles and links without inlining (with -O). It
just doesn't work ;-) Interestingly enough I have had the bad habit
of using -O as compile speed up factor for pretty long time while
working on 2.2.x ..

devik