linux-kernel - Re: [PATCH] sched/rt: fix the case where sched_rt_period

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Date:   Wed, 11 May 2022 15:10:03 +0100
From:   Valentin Schneider <vschneid@...hat.com>
To:     Yajun Deng <yajun.deng@...ux.dev>, mingo@...hat.com,
        peterz@...radead.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
        bristot@...hat.com
Cc:     linux-kernel@...r.kernel.org, Yajun Deng <yajun.deng@...ux.dev>
Subject: Re: [PATCH] sched/rt: fix the case where sched_rt_period_us is
 non-positive

On 11/05/22 13:53, Valentin Schneider wrote:
> On 11/05/22 19:21, Yajun Deng wrote:
>> diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
>> index b491a0f8c25d..f20389aa6731 100644
>> --- a/kernel/sched/rt.c
>> +++ b/kernel/sched/rt.c
>> @@ -37,6 +37,7 @@ static struct ctl_table sched_rt_sysctls[] = {
>>               .maxlen         = sizeof(unsigned int),
>>               .mode           = 0644,
>>               .proc_handler   = sched_rt_handler,
>> +		.extra1		= SYSCTL_ONE,
>>       },
>
> Err, what kernel is this based on? AFAICT those have always lived in
> kernel/sysctl.c, not kernel/sched/rt.c
>

Nevermind, Peter pointed out this has recently been changed and is apparent
in linux-next.