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SubjectRe: [kbuild-all] [PATCH] OPTIONAL: cpufreq/intel_pstate: fix debugfs_simple_attr.cocci warnings


On Thu, 29 Mar 2018, Fabio Estevam wrote:

> Hi Julia,
>
> On Thu, Mar 29, 2018 at 4:12 PM, Julia Lawall <julia.lawall@lip6.fr> wrote:
> > Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE
> > for debugfs files.
> >
> > Semantic patch information:
> > Rationale: DEFINE_SIMPLE_ATTRIBUTE + debugfs_create_file()
> > imposes some significant overhead as compared to
> > DEFINE_DEBUGFS_ATTRIBUTE + debugfs_create_file_unsafe().
>
> Just curious: could you please expand on what "imposes some
> significant overhead" means?

I don't know. I didn't write this rule. Nicolai, can you explain?

thanks,
julia

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