On Tue, 24 Dec 2013, Tejun Heo wrote: > Hello, Linus. > > libata fixes for v3.13-rc5. There's one interseting commit - "libata, > freezer: avoid block device removal while system is frozen". It's an > ugly hack working around a deadlock condition between driver core > resume and block layer device removal paths through freezer which was > made more reproducible by writeback being converted to workqueue some > releases ago. The bug has nothing to do with libata but it's just an > workaround which is easy to backport. After discussion, Rafael and I > seem to agree that we don't really need kernel freezables - both > kthread and workqueue. There are few specific workqueues which > constitute PM operations and require freezing, which will be converted > to use workqueue_set_max_active() instead. All other kernel freezer > uses are planned to be removed, followed by the removal of kthread and > workqueue freezer support, hopefully. Wait a minute. I don't recall anybody mentioning this earlier. What about khubd? There isn't any plan to remove _it_. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
