On Sat, 22 Feb 2014 15:52:17 -0500 Tejun Heo <t...@kernel.org> wrote:
> The problem is rtc_device_unregister(). It grabs rtc->ops_lock and > then tries to remove the sysfs files. Some of those sysfs file > implementations acquire rtc->ops_lock, so it of course can lead to > deadlocks. One can't try to delete a sysfs file which acquires a lock > while holding the same lock. Pretty interesting indeed. One option would be to remove the sys files before acquiring the lock. But I wonder if this could lead to other issues. -- Best regards, Alessandro Zummo, Tower Technologies - Torino, Italy http://www.towertech.it -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
