On Tue, Jun 27, 2006 at 04:43:18PM -0400, Nathan J. Williams wrote:
> That said, binary-search on the object files is pretty effective for
> finding out exactly which ones have problems with optimization other
> than -O2.

Good idea. I did that. It seems that only syscall.o needs -O2 for my kernel.
On an unrelated note: userland seems to be pretty happy with gcc4.

Martin