Public bug reported: As per the topic, rcu_read_unlock_special is exposed but can't really be used.
rcu_read_unlock_special defined in kernel/rcutiny_plugin.h and defined as a function prototype in include/linux/rcupdate.h as follows: extern void rcu_read_unlock_special(struct task_struct *t); ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: linux-image-3.8.0-12-lowlatency 3.8.0-12.8 ProcVersionSignature: Ubuntu 3.8.0-12.8-lowlatency 3.8.2 Uname: Linux 3.8.0-12-lowlatency x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.8-0ubuntu1 Architecture: amd64 Date: Tue Mar 12 12:44:34 2013 InstallationDate: Installed on 2011-08-17 (572 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110817) MarkForUpload: True ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: linux-lowlatency UpgradeStatus: Upgraded to raring on 2012-01-11 (425 days ago) ** Affects: linux-lowlatency (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug raring running-unity -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1154036 Title: rcu_read_unlock_special is undefined To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lowlatency/+bug/1154036/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs