linux-kernel - Re: [PATCH 1/2] sched/debug: Inform the number of rt/dl task that can migrate

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Date:   Thu, 22 Jun 2017 15:02:30 +0200
From:   Daniel Bristot de Oliveira <bristot@...hat.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     linux-rt-users <linux-rt-users@...r.kernel.org>,
        "Luis Claudio R . Goncalves" <lgoncalv@...hat.com>,
        Clark Williams <williams@...hat.com>,
        Luiz Capitulino <lcapitulino@...hat.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] sched/debug: Inform the number of rt/dl task that can
 migrate

On 06/22/2017 11:29 AM, Ingo Molnar wrote:
> Note that this patch breaks in various cross-builds - here's the Alpha defconfig 
> build:
> 
> /home/mingo/tip/kernel/sched/debug.c: In function 'print_rt_rq':
> /home/mingo/tip/kernel/sched/debug.c:556:60: error: 'struct rt_rq' has no member 
> named 'rt_nr_migratory'
>   SEQ_printf(m, "  .%-30s: %lu\n", #x, (unsigned long)(rt_rq->x))
>                                                             ^
> /home/mingo/tip/kernel/sched/debug.c:33:17: note: in definition of macro 
> 'SEQ_printf'
>    seq_printf(m, x);  \
> ...

Oops...

The rt_nr_migratory is conditioned to:

#ifdef CONFIG_SMP

Sorry for the miss attention, I will fix this.

-- Daniel