Re: [PATCH v2 3/5] kernel hacking: new config NO_AUTO_INLINE to disable compiler auto-inline optimizations

[Du, Changbin]

On Wed, May 02, 2018 at 04:27:47PM -0400, Arnd Bergmann wrote:
> On Wed, May 2, 2018 at 9:44 AM,  <changbin.du@xxxxxxxxx> wrote:
> > From: Changbin Du <changbin.du@xxxxxxxxx>
> >
> > This patch add a new kernel hacking option NO_AUTO_INLINE. Selecting
> > this option will prevent the compiler from optimizing the kernel by
> > auto-inlining functions not marked with the inline keyword.
> >
> > With this option, only functions explicitly marked with "inline" will
> > be inlined. This will allow the function tracer to trace more functions
> > because it only traces functions that the compiler has not inlined.
> >
> > Signed-off-by: Changbin Du <changbin.du@xxxxxxxxx>
> > Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
> 
> Should this be closer to CONFIG_OPTIMIZE_INLINING or
> possibly mutually exclusive with it?
>
They are not related I think. CONFIG_OPTIMIZE_INLINING only has effect on
functions which are explicitly marked as inline.

>        Arnd

-- 
Thanks,
Changbin Du