linux-kernel - Re: [PATCH v2 0/4] printk cleanup

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Message-ID: <aSlw2AHo_AWzjH-s@aspen.lan>
Date: Fri, 28 Nov 2025 09:52:24 +0000
From: Daniel Thompson <daniel@...cstar.com>
To: Petr Mladek <pmladek@...e.com>
Cc: Marcos Paulo de Souza <mpdesouza@...e.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	John Ogness <john.ogness@...utronix.de>,
	Sergey Senozhatsky <senozhatsky@...omium.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Jason Wessel <jason.wessel@...driver.com>,
	Daniel Thompson <danielt@...nel.org>,
	Douglas Anderson <dianders@...omium.org>,
	Richard Weinberger <richard@....at>,
	Anton Ivanov <anton.ivanov@...bridgegreys.com>,
	Johannes Berg <johannes@...solutions.net>,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	kgdb-bugreport@...ts.sourceforge.net, linux-um@...ts.infradead.org
Subject: Re: [PATCH v2 0/4] printk cleanup - part 2

On Thu, Nov 27, 2025 at 04:18:40PM +0100, Petr Mladek wrote:
> On Fri 2025-11-21 15:50:32, Marcos Paulo de Souza wrote:
> > The first part can be found here[1]. The proposed changes do not
> > change the functionality of printk, but were suggestions made by
> > Petr Mladek. I already have more patches for a part 3 ,but I would like
> > to see these ones merged first.
> >
> > I did the testing with VMs, checking suspend and resume cycles, and it worked
> > as expected.
> >
> > Thanks for reviewing!
>
> > Marcos Paulo de Souza (4):
> >       drivers: serial: kgdboc: Drop checks for CON_ENABLED and CON_BOOT
> >       arch: um: kmsg_dump: Use console_is_usable
> >       printk: Use console_is_usable on console_unblank
>
> These three patches were simple, straightforward, and ready for linux
> next.
>
> I have comitted them into printk/linux.git, branch rework/nbcon-in-kdb.
> I am going to push them for 6.19.

I pointed the kgdb test suite at this branch (as I did for the earlier
part of the patchset, although I think I forgot to post about it).

The console coverage is fairly modest (I think just 8250 and PL011
drivers, with and without earlycon) and the suite exercises features
rather than crash resilience. Nevertheless and FWIW, the tests didn't
pick up any regressions. Yay!


Daniel.