linux-kernel - Re: [RFC PATCH 14/14] kthread_worker: Add set_kthread_worker

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Message-ID: <20150728194820.GE19282@twins.programming.kicks-ass.net>
Date:	Tue, 28 Jul 2015 21:48:20 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Tejun Heo <tj@...nel.org>
Cc:	Petr Mladek <pmladek@...e.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Ingo Molnar <mingo@...hat.com>,
	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 PATCH 14/14] kthread_worker: Add
 set_kthread_worker_scheduler*()

On Tue, Jul 28, 2015 at 01:41:54PM -0400, Tejun Heo wrote:
> On Tue, Jul 28, 2015 at 04:39:31PM +0200, Petr Mladek wrote:
> > +/**
> > + * set_kthread_worker_scheduler - change the scheduling policy and/or RT
> > + *	priority of a kthread worker.
> > + * @worker: target kthread_worker
> > + * @policy: new policy
> > + * @sched_priority: new RT priority
> > + *
> > + * Return: 0 on success. An error code otherwise.
> > + */
> > +int set_kthread_worker_scheduler(struct kthread_worker *worker,
> > +				 int policy, int sched_priority)
> > +{
> > +	return __set_kthread_worker_scheduler(worker, policy, sched_priority,
> > +					      true);
> > +}
> 
> Ditto.  I don't get why we would want these thin wrappers.

On top of which this is an obsolete interface :-)
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