Hi Chris,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[cannot apply to v5.3-rc2 next-20190802]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commit
Relax the spinlock used for looking up the handle in the XArray and
acquiring a reference to it to an RCU protected critical section. This
incurs the requirement that we protect the syncobj struct itself using
RCU, which we achieve by simply calling kfree_rcu() and being more
careful in acquiring o