Re: PATCH][RFC][resend] CC_OPTIMIZE_FOR_SIZE should default to N

Steven Rostedt
2011-03-22T02:52:37Z

On Mon, Mar 21, 2011 at 09:08:24PM +0100, Jesper Juhl wrote:
> I believe that the majority of systems we are built on want a -O2 compiled
> kernel. Optimizing for size (-Os) is mainly benneficial for embedded
> systems and systems with very small CPU caches (correct me if I'm wrong).
> So it seems wrong to me that CC_OPTIMIZE_FOR_SIZE defaults to 'y' and
> recommends saying 'Y' if unsure. I believe it should default to 'n' and
> recommend that if unsure. People who bennefit from -Os know who they are
> and can enable the option if needed/wanted - the majority shouldn't
> select this. Right?
>
> Signed-off-by: Jesper Juhl <jj@chaosbits.net>

I've actually seen nothing but problems with -Os.

Acked-by: Steven Rostedt <rostedt@goodmis.org>

-- Steve