linux-kernel - Re: [PATCH v3 1/2] ftrace/module: remove ftrace module notifier

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Message-ID: <20160208173154.GA23106@treble.redhat.com>
Date:	Mon, 8 Feb 2016 11:31:54 -0600
From:	Josh Poimboeuf <jpoimboe@...hat.com>
To:	Jessica Yu <jeyu@...hat.com>
Cc:	Seth Jennings <sjenning@...hat.com>,
	Jiri Kosina <jikos@...nel.org>,
	Vojtech Pavlik <vojtech@...e.com>,
	Miroslav Benes <mbenes@...e.cz>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...hat.com>, live-patching@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/2] ftrace/module: remove ftrace module notifier

On Fri, Feb 05, 2016 at 10:08:16PM -0500, Jessica Yu wrote:
> Remove the ftrace module notifier in favor of directly calling
> ftrace_module_enable() and ftrace_release_mod() in the module loader.
> Hard-coding the function calls directly in the module loader removes
> dependence on the module notifier call chain and provides better
> visibility and control over what gets called when, which is important
> to kernel utilities such as livepatch.
> 
> Signed-off-by: Jessica Yu <jeyu@...hat.com>

This is also fixing the bug described in the cover letter, so it would
be good to add a description of that here and a corresponding "Fixes:"
tag.

-- 
Josh