Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1679791
| From | Viresh Kumar <viresh.kumar@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] cpufreq: intel_pstate: constify attribute_group structures. |
| Date | 2017-07-03 11:10 +0200 |
| Message-ID | <tZ5wL-7r5-29@gated-at.bofh.it> (permalink) |
| References | <tZ4Km-6Tf-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 03-07-17, 13:40, Arvind Yadav wrote:
> attribute_groups are not supposed to change at runtime. All functions
> working with attribute_groups provided by <linux/sysfs.h> work with const
> attribute_group. So mark the non-const structs as const.
>
> File size before:
> text data bss dec hex filename
> 15197 2552 40 17789 457d drivers/cpufreq/intel_pstate.o
>
> File size After adding 'const':
> text data bss dec hex filename
> 15261 2488 40 17789 457d drivers/cpufreq/intel_pstate.o
>
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
> ---
> drivers/cpufreq/intel_pstate.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
> index b7de5bd..4323f94 100644
> --- a/drivers/cpufreq/intel_pstate.c
> +++ b/drivers/cpufreq/intel_pstate.c
> @@ -1212,7 +1212,7 @@ static ssize_t store_min_perf_pct(struct kobject *a, struct attribute *b,
> NULL
> };
>
> -static struct attribute_group intel_pstate_attr_group = {
> +static const struct attribute_group intel_pstate_attr_group = {
> .attrs = intel_pstate_attributes,
> };
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
--
viresh
Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread
[PATCH] cpufreq: intel_pstate: constify attribute_group structures. Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-07-03 10:20 +0200 Re: [PATCH] cpufreq: intel_pstate: constify attribute_group structures. Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-03 11:10 +0200
csiph-web