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From: Ingo Molnar <mingo@elte.hu>
To: Frederic Weisbecker <fweisbec@gmail.com>, Greg KH <gregkh@suse.de>
Cc: Steven Rostedt <rostedt@goodmis.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/5] debugfs: function to know if debugfs is initialized
Date: Mon, 23 Mar 2009 09:18:05 +0100	[thread overview]
Message-ID: <20090323081805.GA18837@elte.hu> (raw)
In-Reply-To: <1237759847-21025-2-git-send-email-fweisbec@gmail.com>


* Frederic Weisbecker <fweisbec@gmail.com> wrote:

> With ftrace, some tracers are registered in early initcalls
> and attempt to create files on the debugfs filesystem.
> Depending on when they are activated, they can try to create their
> file at any time. Some checks can be done on the tracing area
> but providing a helper to know if debugfs is registered make it
> really more easy.
> 
> Cc: Greg Kroah-Hartman <gregkh@suse.de>
> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
> ---
>  fs/debugfs/inode.c      |   16 ++++++++++++++++
>  include/linux/debugfs.h |    8 ++++++++
>  2 files changed, 24 insertions(+), 0 deletions(-)

Greg, is this patch is fine with you?

If yes, then would you mind if we picked this up into the tracing 
tree - as a subsequent fix-patch relies on it. There's no debugfs 
patches pending that i can see that would conflict with this.

	Ingo

  reply	other threads:[~2009-03-23  8:18 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-22 22:10 [PATCH 1/5] tracing/events: make the filter files writable Frederic Weisbecker
2009-03-22 22:10 ` [PATCH 2/5] debugfs: function to know if debugfs is initialized Frederic Weisbecker
2009-03-23  8:18   ` Ingo Molnar [this message]
2009-03-23 14:41     ` Greg KH
2009-03-23 16:08       ` Ingo Molnar
2009-03-23 15:57   ` [tip:tracing/ftrace] " Frederic Weisbecker
2009-03-22 22:10 ` [PATCH 3/5] tracing/ftrace: check if debugfs is registered before creating files Frederic Weisbecker
2009-03-23  8:26   ` Ingo Molnar
2009-03-23 15:57   ` [tip:tracing/ftrace] " Frederic Weisbecker
2009-03-23 19:18   ` [PATCH 3/5] " Steven Rostedt
2009-03-23 19:22     ` Ingo Molnar
2009-03-23 19:47     ` Frederic Weisbecker
2009-03-22 22:10 ` [PATCH 4/5] tracing/events: don't use wake up for events Frederic Weisbecker
2009-03-23  8:30   ` [tip:tracing/filters] " Frederic Weisbecker
2009-03-23 19:21     ` Steven Rostedt
2009-03-23 19:33       ` Frederic Weisbecker
2009-03-22 22:10 ` [PATCH 5/5] tracing/ftrace: make nop using polling wait for events on pipe Frederic Weisbecker
2009-03-23  8:31   ` [tip:tracing/filters] tracing/ftrace: make nop-tracer use " Frederic Weisbecker
2009-03-22 22:12 ` [PATCH 1/5] tracing/events: make the filter files writable Frederic Weisbecker
2009-03-23  8:25 ` Ingo Molnar
2009-03-23  8:31   ` Frederic Weisbecker
2009-03-23  8:30 ` [tip:tracing/filters] " Frederic Weisbecker

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