Re: [PATCH v2 7/8] cpufreq: schedutil: Replace default_attrs field with groups

From: Peter Zijlstra
Date: Tue Apr 02 2019 - 04:50:44 EST


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@xxxxxxxxx>

Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>

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
>