Re: [PATCH 2/4] kernel hacking: new config NO_AUTO_INLINE to disable compiler auto-inline optimizations

From: Steven Rostedt
Date: Thu Oct 18 2018 - 12:59:54 EST

On Thu, 18 Oct 2018 16:25:46 +0000
Du Changbin <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>
> Acked-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>

I have acked patch this before, but this particular patch has extra
changes that I have not acked.

> + bool "Enable __deprecated logic"
> + default y
> + help
> + Enable the __deprecated logic in the kernel build.
> + Disable this to suppress the "warning: 'foo' is deprecated
> + (declared at kernel/power/somefile.c:1234)" messages.
> +

What is that?

-- Steve