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From: Juri Lelli <juri.lelli@arm.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@redhat.com, rjw@rjwysocki.net, viresh.kumar@linaro.org,
	linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
	tglx@linutronix.de, vincent.guittot@linaro.org,
	rostedt@goodmis.org, luca.abeni@santannapisa.it,
	claudio@evidence.eu.com, tommaso.cucinotta@santannapisa.it,
	bristot@redhat.com, mathieu.poirier@linaro.org,
	tkjos@android.com, joelaf@google.com, andresoportus@google.com,
	morten.rasmussen@arm.com, dietmar.eggemann@arm.com,
	patrick.bellasi@arm.com, Ingo Molnar <mingo@kernel.org>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>
Subject: Re: [RFC PATCH v1 3/8] sched/cpufreq_schedutil: make worker kthread be SCHED_DEADLINE
Date: Tue, 11 Jul 2017 18:02:12 +0100	[thread overview]
Message-ID: <20170711170212.htpx5zz7kaiqc5pf@e106622-lin> (raw)
In-Reply-To: <20170711161816.pqlrkziya6gu5hms@hirez.programming.kicks-ass.net>

On 11/07/17 18:18, Peter Zijlstra wrote:
> On Wed, Jul 05, 2017 at 09:59:00AM +0100, Juri Lelli wrote:
> > @@ -4065,6 +4067,9 @@ static int __sched_setscheduler(struct task_struct *p,
> >  	}
> >  
> >  	if (user) {
> > +		if (attr->sched_flags & SCHED_FLAG_SPECIAL)
> > +			return -EPERM;
> 
> Should be -EINVAL I think, as if the bit didn't exist at all (it
> doesn't, from a userspace perspective).
> 

Makes sense. I'll change it.

Thanks,

- Juri

  reply	other threads:[~2017-07-11 17:02 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-05  8:58 [RFC PATCH v1 0/8] SCHED_DEADLINE freq/cpu invariance and OPP selection Juri Lelli
2017-07-05  8:58 ` [RFC PATCH v1 1/8] sched/cpufreq_schedutil: make use of DEADLINE utilization signal Juri Lelli
2017-07-07  7:20   ` Viresh Kumar
2017-07-05  8:58 ` [RFC PATCH v1 2/8] sched/deadline: move cpu frequency selection triggering points Juri Lelli
2017-07-07  7:21   ` Viresh Kumar
2017-07-05  8:59 ` [RFC PATCH v1 3/8] sched/cpufreq_schedutil: make worker kthread be SCHED_DEADLINE Juri Lelli
2017-07-07  3:56   ` Joel Fernandes
2017-07-07 10:43     ` Juri Lelli
2017-07-07 10:46       ` Thomas Gleixner
2017-07-07 10:53         ` Juri Lelli
2017-07-07 13:11           ` Rafael J. Wysocki
2017-07-07 21:58             ` Steven Rostedt
2017-07-07 22:07               ` Joel Fernandes
2017-07-07 22:15                 ` Steven Rostedt
2017-07-07 22:57                   ` Joel Fernandes
2017-07-11 12:37     ` Peter Zijlstra
2017-07-07  7:21   ` Viresh Kumar
2017-07-11 16:18   ` Peter Zijlstra
2017-07-11 17:02     ` Juri Lelli [this message]
2017-07-05  8:59 ` [RFC PATCH v1 4/8] sched/cpufreq_schedutil: split utilization signals Juri Lelli
2017-07-07  3:26   ` Joel Fernandes
2017-07-07  8:58   ` Viresh Kumar
2017-07-07 10:59     ` Juri Lelli
2017-07-10  7:46       ` Joel Fernandes
2017-07-10  7:05   ` Viresh Kumar
2017-07-05  8:59 ` [RFC PATCH v1 5/8] sched/cpufreq_schedutil: always consider all CPUs when deciding next freq Juri Lelli
2017-07-07  8:59   ` Viresh Kumar
2017-07-11 16:17   ` Peter Zijlstra
2017-07-11 17:18     ` Juri Lelli
2017-07-05  8:59 ` [RFC PATCH v1 6/8] sched/sched.h: remove sd arch_scale_freq_capacity parameter Juri Lelli
2017-07-05  8:59 ` [RFC PATCH v1 7/8] sched/sched.h: move arch_scale_{freq,cpu}_capacity outside CONFIG_SMP Juri Lelli
2017-07-07 22:04   ` Steven Rostedt
2017-07-05  8:59 ` [RFC PATCH v1 8/8] sched/deadline: make bandwidth enforcement scale-invariant Juri Lelli
2017-07-19  7:21   ` Peter Zijlstra
2017-07-19  9:20     ` Juri Lelli
2017-07-19 11:00       ` Peter Zijlstra
2017-07-19 11:16         ` Juri Lelli
2017-07-24 16:43           ` Peter Zijlstra
2017-07-25  7:03             ` Luca Abeni
2017-07-25 13:51               ` Peter Zijlstra
2017-07-26 13:50                 ` luca abeni
2017-07-06 15:57 ` [RFC PATCH v1 0/8] SCHED_DEADLINE freq/cpu invariance and OPP selection Steven Rostedt
2017-07-06 16:08   ` Juri Lelli
2017-07-06 16:15   ` Peter Zijlstra
2017-07-06 21:08 ` Rafael J. Wysocki

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