linux-kernel - Re: [RFC v2 02/18] kthread: Add create_kthread

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Message-ID: <20150922182049.GA17659@mtj.duckdns.org>
Date:	Tue, 22 Sep 2015 14:20:49 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Petr Mladek <pmladek@...e.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Josh Triplett <josh@...htriplett.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jiri Kosina <jkosina@...e.cz>, Borislav Petkov <bp@...e.de>,
	Michal Hocko <mhocko@...e.cz>, linux-mm@...ck.org,
	Vlastimil Babka <vbabka@...e.cz>,
	live-patching@...r.kernel.org, linux-api@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC v2 02/18] kthread: Add create_kthread_worker*()

Hello, Petr.

On Mon, Sep 21, 2015 at 03:03:43PM +0200, Petr Mladek wrote:
> It enforces using kthread_worker_fn() for the main thread. But I doubt
> that there are any plans to create any alternative. In fact, I think
> that we do not want any alternative main thread because it would be
> hard to support consistency with the rest of the kthread worker API.

The original intention was allowing users to use a wrapper function
which sets up kthread attributes and then calls kthread_worker_fn().
That can be done by a work item too but is more cumbersome.  Just
wanted to note that.  Will keep reading on.

Thanks.

-- 
tejun
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