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From: Steven Rostedt <rostedt@goodmis.org>
To: LKML <linux-kernel@vger.kernel.org>,
	Linux Trace Kernel <linux-trace-kernel@vger.kernel.org>,
	"linux-trace-users@vger.kernel.org"
	<linux-trace-users@vger.kernel.org>,
	linux-fsdevel@vger.kernel.org, linux-perf-users@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	Namhyung Kim <namhyung@kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Al Viro <viro@ZenIV.linux.org.uk>,
	Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>
Subject: Re: [RFC][PATCH] tracing: Deprecate auto-mounting tracefs in debugfs
Date: Tue, 17 Jun 2025 15:29:06 -0400	[thread overview]
Message-ID: <20250617152906.2d7ddb9f@gandalf.local.home> (raw)
In-Reply-To: <20250617133614.24e2ba7f@gandalf.local.home>

On Tue, 17 Jun 2025 13:36:14 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:

> @@ -10311,6 +10313,8 @@ int tracing_init_dentry(void)
>  	if (WARN_ON(!tracefs_initialized()))
>  		return -ENODEV;
>  
> +#ifdef CONFIG_TRACEFS_AUTOMOUNT_DEPRECATED
> +	pr_warning("NOTICE: Automounting of tracing to debugfs is deprecated and will be removed in 2027\n");

I tested this with the config off but not on.

The above errors with pr_warning() undefined, "do you mean pr_warn?" :-p

-- Steve

>  	/*
>  	 * As there may still be users that expect the tracing
>  	 * files to exist in debugfs/tracing, we must automount
> @@ -10319,6 +10323,7 @@ int tracing_init_dentry(void)
>  	 */
>  	tr->dir = debugfs_create_automount("tracing", NULL,
>  					   trace_automount, NULL);
> +#endif
>  
>  	return 0;
>  }
> -- 

  parent reply	other threads:[~2025-06-17 19:29 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-17 17:36 [RFC][PATCH] tracing: Deprecate auto-mounting tracefs in debugfs Steven Rostedt
2025-06-17 17:41 ` Peter Zijlstra
2025-06-17 17:54   ` Steven Rostedt
2025-06-17 18:00     ` Peter Zijlstra
2025-06-17 18:48       ` Ian Rogers
2025-06-17 19:14         ` Steven Rostedt
2025-06-18  7:21       ` Sebastian Andrzej Siewior
2025-06-18  9:27         ` Peter Zijlstra
2025-06-17 19:29 ` Steven Rostedt [this message]
2025-06-18  9:18 ` Christian Brauner

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