linux-kernel - Re: [PATCH v2 7/8] cpufreq: schedutil: Replace default

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Date:   Tue, 2 Apr 2019 10:50:34 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Kimberly Brown <kimbrownkd@...il.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 7/8] cpufreq: schedutil: Replace default_attrs field
 with groups

On Mon, Apr 01, 2019 at 10:51:53PM -0400, Kimberly Brown wrote:
> The kobj_type default_attrs field is being replaced by the
> default_groups field. Replace sugov_tunables_ktype's default_attrs field
> with default groups. Change "sugov_attributes" to "sugov_attrs" and use
> the ATTRIBUTE_GROUPS macro to create sugov_groups.
> 
> This patch was tested by setting the scaling governor to schedutil and
> verifying that the sysfs files for the attributes in the default groups
> were created.
> 
> Signed-off-by: Kimberly Brown <kimbrownkd@...il.com>

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>

Please route the patch as is most convenient.

> ---
>  kernel/sched/cpufreq_schedutil.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
> index 5c41ea367422..148b60c8993d 100644
> --- a/kernel/sched/cpufreq_schedutil.c
> +++ b/kernel/sched/cpufreq_schedutil.c
> @@ -598,13 +598,14 @@ rate_limit_us_store(struct gov_attr_set *attr_set, const char *buf, size_t count
>  
>  static struct governor_attr rate_limit_us = __ATTR_RW(rate_limit_us);
>  
> -static struct attribute *sugov_attributes[] = {
> +static struct attribute *sugov_attrs[] = {
>  	&rate_limit_us.attr,
>  	NULL
>  };
> +ATTRIBUTE_GROUPS(sugov);
>  
>  static struct kobj_type sugov_tunables_ktype = {
> -	.default_attrs = sugov_attributes,
> +	.default_groups = sugov_groups,
>  	.sysfs_ops = &governor_sysfs_ops,
>  };
>  
> -- 
> 2.17.1
>