Re: [RFC][PATCH 1/2] printk: lock console_sem before we unregister boot consoles

From: Petr Mladek
Date: Thu Apr 25 2019 - 05:20:07 EST


On Thu 2019-04-25 15:43:21, Sergey Senozhatsky wrote:
> On (04/25/19 12:52), Sergey Senozhatsky wrote:
> > > Could we remove it in this patch? It touches it indirectly anyway.
> >
> > Sure we can.
> >
> > We also can take extra care of pr_info("%sconsole [%s%d] enabled\n".
> > Right now we do
> >
> > ...
> > console_unlock();
> > console_sysfs_notify();
> >
> > pr_info("%sconsole [%s%d] enabled\n",....
> >
> >
> > But we can simply move that pr_info() a bit up:
> >
> > pr_info("%sconsole [%s%d] enabled\n",
> > console_unlock();
> > console_sysfs_notify();
> >
> >
> > So the message will be printed on all consoles.
>
> ---
>
> Petr, Steven, would you prefer to have it as two separate patches - one
> removes the comment; the other one moves pr_info("console enabled") - or
> as one patch? It's sort of trivial enough to be in just one patch, but
> I also can submit it as separate changes.

One patch is enough from my point of view. The moved pr_info()
solves the problem that is described by the comment.

Best Regards,
Petr