Quoting Tvrtko Ursulin (2020-02-14 12:54:35)
>
> On 14/02/2020 11:03, Andi Shyti wrote:
> > +struct intel_gt *intel_gt_sysfs_get_drvdata(struct device *dev)
> > +{
> > + struct kobject *kobj = &dev->kobj;
> > + /*
> > + * We are interested at knowing from where the interface
> > + * has been called, whether it's called from gt/ or from
> > + * the parent directory.
> > + * From the interface position it depends also the value of
> > + * the private data.
> > + * If the interface is called from gt/ then private data is
> > + * of the "struct intel_gt *" type, otherwise it's * a
> > + * "struct drm_i915_private *" type.
> > + */
> > + if (strcmp(dev->kobj.name, "gt")) {
> > + struct drm_i915_private *i915 = kdev_minor_to_i915(dev);
> > +
> > + drm_warn(&i915->drm, "the interface is obsolete, use gt/\n");
>
> Can you log current->name & pid?
>
> I am also thinking is a level down from warn would be better. Notice
> sounds intuitively correct to me.
git grep -e 'pr.*obsolete' | grep warn | wc -l
21
git grep -e 'pr.*obsolete' | grep notice | wc -l
1
git grep -e 'pr.*obsolete' | grep info | wc -l
4
Looks like warn's back on the menu, boys.
> I am also tempted by the _once alternative, but then it makes less sense
> to include name & pid.
I'm more afraid that there are users out there that frequently poke
these files.
-Chris
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