linux-kernel - Re: [RFC][PATCH 1/3] trace_seq: Move the trace

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Message-ID: <20140620122135.17a90bfb@gandalf.local.home>
Date:	Fri, 20 Jun 2014 12:21:35 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jiri Kosina <jkosina@...e.cz>, Michal Hocko <mhocko@...e.cz>,
	Jan Kara <jack@...e.cz>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Dave Anderson <anderson@...hat.com>,
	Petr Mladek <pmladek@...e.cz>
Subject: Re: [RFC][PATCH 1/3] trace_seq: Move the trace_seq code to lib/

On Thu, 19 Jun 2014 18:45:57 -1000
Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> On Thu, Jun 19, 2014 at 11:33 AM, Steven Rostedt <rostedt@...dmis.org> wrote:
> > From: "Steven Rostedt (Red Hat)" <rostedt@...dmis.org>
> >
> > The trace_seq functions are rather useful outside of tracing.
> 
> They are?

They will be.

> Why and where?

Why? for NMI safe output.

Where? Well, in patch 3. :-)

> And why are they still called "trace_xyz()" then?

Good point, I'd like to rename it too. It was designed like seq_file,
so what about seq_buffer_xxx()?


> 
> That commit message is useless and contains no actual information.

Yeah, it was rather weak. It was quick and not a stand alone. It was
dependent on reading the rest of the patches.

OK, I can update the name and make a better change log on the move.

Of course if you hate this patch series, I can just not waste any time
on it.

-- Steve

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