On Thu, Jul 04, 2019 at 08:57:13AM +1000, Benjamin Herrenschmidt wrote:
> On Wed, 2019-07-03 at 21:36 +0200, Greg KH wrote:
> > 
> > > -static struct kobject *get_device_parent(struct device *dev,
> > > -                                  struct device *parent)
> > > +/**
> > > + * __get_device_parent() - Get the parent device kobject.
> > > + * @dev: Pointer to the device structure.
> > > + * @parent: Pointer to the parent device structure.
> > > + * @lock: When we live in a glue directory, should we hold the
> > > + *        gdp_mutex lock when this function returns? If @lock
> > > + *        is true, this function returns with the gdp_mutex
> > > + *        holed. Otherwise it will not.
> > 
> > Ugh, if you are trying to get me to hate one version of these patches,
> > this is how you do it :)
> > 
> > A function should not "sometimes takes a lock, sometimes does not,
> > depending on a parameter passed into it"  That way lies madness...
> 
> Yes, I prefer this approach to the fix but I dont like the patch either
> for the same reason...
> 
>  ...
> 
> > Anyway, this is a mess.
> > 
> > Ugh I hate glue dirs...
> 
> Amen...

Well, can we just remove them?  Who relies on them anymore?

thanks,

greg k-h

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