Messages in this thread | | | Date | Wed, 11 Sep 2013 14:35:00 -0400 | From | Jeff Mahoney <> | Subject | Re: [PATCH] kobject: introduce kobj_completion |
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On 9/11/13 1:28 PM, Al Viro wrote: > On Wed, Sep 11, 2013 at 01:00:30PM -0400, Jeff Mahoney wrote: >> A common way to handle kobject lifetimes in embedded in objects with >> different lifetime rules is to pair the kobject with a struct completion. >> >> This introduces a kobj_completion structure that can be used in place >> of the pairing, along with several convenience functions for >> initialization, release, and put-and-wait. > > That's very easy to misuse, leading to deadlocks...
Misuse how? If you're using it any time other than shutting down an object, you're shooting yourself in the foot.
-Jeff
-- Jeff Mahoney SUSE Labs
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