Re: [PATCH v2] console: Replace #if 1 with a bool to ignore
From: Bartlomiej Zolnierkiewicz
Date: Tue Jul 24 2018 - 12:18:08 EST
On Tuesday, July 24, 2018 06:13:19 PM Bartlomiej Zolnierkiewicz wrote:
> On Thursday, July 12, 2018 09:29:38 AM Steven Rostedt wrote:
> >
> > From: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
> >
> > There's been discussion on the fb list about the addition of
> > WARN_CONSOLE_UNLOCKED() inside the fb code. The complaint is that when
> > the fb module is loaded with lockless_register_fb the console lock is
> > not taken for debugging reasons. With the addition of
> > WARN_CONSOLE_UNLOCK() within the fb code, this causes the console to
> > fill up with warnings when trying to debug the fb driver.
> >
> > There's also a #if 1 that enables the warning which was added before
> > git history, and we look down on constant #if's in the kernel nowadays
> > anyway.
> >
> > Remove the #if 1 and add a ignore_console_lock_warning boolean that can
> > be set by drivers to ignore the warning in order to do debugging.
> >
> > Link: http://lkml.kernel.org/r/717e6337-e7a6-7a92-1c1b-8929a25696b5@xxxxxxx
> > Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> > Acked-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
> > Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
>
> Patch queued for 4.19, thanks.
Dequeued, I've just noticed a newer patch from Thomas for this issue
(I plan to apply it later this week).
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics