Re: [PATCH] Built kernel without -O2 option

[Valdis . Kletnieks]

On Mon, 29 Nov 2010 16:52:50 +0800, Américo Wang said:

> >For example:
> >ifdef CONFIG_CC_CLOSE_OPTIMIZATION
> >CFLAGS_fpu.o                           += -O2
> >CFLAGS_aesni-intel_glue.o              += -O2
> >CFLAGS_ghash-clmulni-intel_glue.o      += -O2
> >endif
> 
> No, I didn't mean this, I meant some function that have to be inlined
> are those who only work when being inlined, e.g. current_text_addr().
> 
> I think it is not alone. :)

Anything that uses the gcc __builtin_return_adress() extension should also be
audited - that returns different results for inlined and non-inlined callers.

Attachment: pgp00000.pgp
Description: PGP signature