Re: [PATCH] printk: Move printk_delay to separate file

From: Joe Perches
Date: Sat Jul 08 2017 - 01:45:10 EST

On Sat, 2017-07-08 at 14:24 +0900, Sergey Senozhatsky wrote:
> On (07/07/17 11:08), Joe Perches wrote:
> > printk.c is a huge file with too many local functions for a
> > human to read and easily parse.
> >
> > Start to separate out bits into smaller files.
> >
> > Miscellanea:
> >
> > o Rename suppress_message_printing to printk_suppress_message
> > o Add function definitions to printk.h
> I don't mind, in general, but I'm a bit hesitant. we want to have
> automatic printk throttling (printk delay basically) and we need
> some of those printk-internal *_seq numbers to see how far consoles
> are behind the logbuf. so either we need to 'un-static' those *_seq
> and extern them in delay.c or simply keep printk-delay machinery in
> printk.c and add the new function.
> // p.s. I'll take a look at the patch a bit later. I'm on a sick leave now.

Hey Sergey.

Basically, this is a simple trial patch.

printk is getting nothing but more complex.

I believe printk is in real need of logical separation
into multiple parts to isolate the various logic bits.

o console
o kmsg/devkmsg
o logbuf
o syslog