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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Petr Mladek <pmladek@suse.com>
Cc: K Prateek Nayak <kprateek.nayak@amd.com>, linux-arch@vger.kernel.org,
	linux-kernel@vger.kernel.org, sched-ext@lists.linux.dev,
	netdev@vger.kernel.org, "David S . Miller" <davem@davemloft.net>,
	Andrea Righi <arighi@nvidia.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Arnd Bergmann <arnd@arndb.de>, Ben Segall <bsegall@google.com>,
	Breno Leitao <leitao@debian.org>,
	Changwoo Min <changwoo@igalia.com>,
	David Vernet <void@manifault.com>,
	Dietmar Eggemann <dietmar.eggemann@arm.com>,
	Eric Dumazet <edumazet@google.com>, Ingo Molnar <mingo@redhat.com>,
	Jakub Kicinski <kuba@kernel.org>,
	John Ogness <john.ogness@linutronix.de>,
	Juri Lelli <juri.lelli@redhat.com>, Paolo Abeni <pabeni@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Sergey Senozhatsky <senozhatsky@chromium.org>,
	Simon Horman <horms@kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>, Tejun Heo <tj@kernel.org>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Vlad Poenaru <vlad.wing@gmail.com>
Subject: Re: [PATCH 1/2] bug: Provide WARN_ON.*DEFERRED() macros for console
 deferred output
Message-ID: <20260624152431.Ufq0jT8r@linutronix.de>
References: <20260623142650.265721-1-bigeasy@linutronix.de>
 <20260623142650.265721-2-bigeasy@linutronix.de>
 <038a11a7-4ced-49ae-b605-2058733e841a@amd.com>
 <20260624062642.5DER6vrP@linutronix.de>
 <ajugq8VAciqtMx9F@pathway.suse.cz>
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In-Reply-To: <ajugq8VAciqtMx9F@pathway.suse.cz>

On 2026-06-24 11:17:31 [+0200], Petr Mladek wrote:
> For Linus, it was a no-go, definitely.
=E2=80=A6
> I would vote for adding the WARN_*DEFERRED() into the scheduler code
> at least until majority of console drivers are converted to nbcon API.

I see four nbcon serial console drivers (+netconsole, + drm_log). We
have at least four times that many console drivers. What is the
majority from your point of view? The 8250 should cover all of x86.

> Best Regards,
> Petr

Sebastian