linux-kernel - Re: [RFC PATCH 1/6] sched/dl: Improve deadline admission control for asymmetric CPU capacities

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Message-ID: <20190618164131.GA88066@google.com>
Date:   Tue, 18 Jun 2019 17:41:31 +0100
From:   Alessio Balsini <balsini@...roid.com>
To:     Luca Abeni <luca.abeni@...tannapisa.it>
Cc:     linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        "Paul E . McKenney" <paulmck@...ux.ibm.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Quentin Perret <quentin.perret@....com>,
        Luc Van Oostenryck <luc.vanoostenryck@...il.com>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Patrick Bellasi <patrick.bellasi@....com>,
        Tommaso Cucinotta <tommaso.cucinotta@...tannapisa.it>
Subject: Re: [RFC PATCH 1/6] sched/dl: Improve deadline admission control for
 asymmetric CPU capacities

Hi Luca,

On Mon, May 06, 2019 at 06:48:31AM +0200, Luca Abeni wrote:
> From: luca abeni <luca.abeni@...tannapisa.it>
>  
>  extern void dl_change_utilization(struct task_struct *p, u64 new_bw);
> @@ -785,6 +786,8 @@ struct root_domain {
>  	unsigned long		max_cpu_capacity;
>  	unsigned long		min_cpu_capacity;
>  
> +	unsigned long           rd_capacity;
>

An easy one: we are already in root_domain, can't we
s/rd_capacity/capacity/g ?

Thanks for the series, looking forward to seeing an updated version
soon. In the meanwhile, I started backporting and testing it.

Cheers,
Alessio