On Thu, 2019-07-04 at 07:40 +0200, Greg KH wrote: > 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?
Isn't it an ABI ? I'm sure there are going to be userspace things that break if we do... Cheers, Ben.