On Wed, 24 Jun 2020 16:45:24 +0800 Nicolas Boichat <drink...@chromium.org> wrote:
> trace_printk is only meant as a debugging tool, and should never be > compiled into production code without source code changes, as > indicated by the warning that shows up on boot if any trace_printk > is called: > ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** > ** ** > ** trace_printk() being used. Allocating extra memory. ** > ** ** > ** This means that this is a DEBUG kernel and it is ** > ** unsafe for production use. ** > > If this option is set to n, the kernel will generate a build-time > error if trace_printk is used. > > Signed-off-by: Nicolas Boichat <drink...@chromium.org> Interesting. Note, this will prevent modules with trace_printk from being loaded as well. -- Steve
