linux-kernel - [PATCH v2 0/7] uprobes/tracing: uretprobes

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Date:	Tue, 9 Apr 2013 21:32:01 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Anton Arapov <anton@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/7] uprobes/tracing: uretprobes

On 04/09, Steven Rostedt wrote:
>
> On Tue, 2013-04-09 at 16:50 +0200, Oleg Nesterov wrote:
> > On 04/08, Steven Rostedt wrote:
>
> > OK, will do.
> >
> > Or. Instead of enum we can use "bool is_return". So, instead of
> >
> > 	if (is_ret_probe(tu))
> > 		size = SIZEOF_TRACE_ENTRY(UPROBE_ENTRY_RETPROBE);
> > 	else
> > 		size = SIZEOF_TRACE_ENTRY(UPROBE_ENTRY_NORMAL);
> >
> > we can do
> >
> > 	size = SIZEOF_TRACE_ENTRY(is_ret_probe(tu));
> >
> > What do you like more?
>
> Which ever is easier ;-)
>
> I just hated the magic "1" and "2". As long as I (or any reviewer) does
> not need to go searching for numbers, and can easily figure out what is
> going on by looking at the code at hand, I'm happy.
>
> Both the above satisfy that requirement.
>
> Your "is_ret_probe(tu)" may have the added bonus of being less error
> prone.

OK, please see v2.

Change SIZEOF_TRACE_ENTRY/DATAOF_TRACE_ENTRY to accept "bool is_return"
rather than "int nr".

Srikar, I preserved your acks, hopefully this is fine. But 4/7 still
doesn't have your ack.

Oleg.

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