Re: [PATCH v2 3/9] vfio: New external user group/file match

2017-06-19 Thread kbuild test robot
Hi Alex, [auto build test ERROR on vfio/next] [also build test ERROR on v4.12-rc6 next-20170619] [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/commits/Alex-Williamson/vfio-Fix-release-ordering-races-an

[PATCH v2 3/9] vfio: New external user group/file match

2017-06-19 Thread Alex Williamson
At the point where the kvm-vfio pseudo device wants to release its vfio group reference, we can't always acquire a new reference to make that happen. The group can be in a state where we wouldn't allow a new reference to be added. This new helper function allows a caller to match a file to a grou