Hello, Linus.
This is cpuset changes for 3.9-rc1.
* Synchornization has seen a lot of changes with focus on decoupling
cpuset synchronization from cgroup internal locking. After this
change, there only remain a couple of mostly trivial dependencies on
cgroup_lock outside cgroup core proper. cgroup_lock is scheduled to
be unexported in this devel cycle. This will finally remove the
fragile locking order around cgroup (cgroup locking wants to /
should be one of the outermost but yet has been acquired from deep
inside individual controllers).
* At this point, Li is most knowlegeable with cpuset and taking over
the maintainership of cpuset.
This depends on cgroup_rightmost_descendant() implemented in
cgroup/for-3.9 and this pull request assumes that cgroup/for-3.9 is
already pulled in.
The changes are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-3.9-cpuset
for you to fetch changes up to d127027baf98dce3ca31bec18c2c0e048ceda7c4:
cpuset: drop spurious retval assignment in proc_cpuset_show() (2013-01-15 08:38:55 -0800)
----------------------------------------------------------------
Li Zefan (3):
cpuset: update MAINTAINERS
cpuset: fix RCU lockdep splat
cpuset: drop spurious retval assignment in proc_cpuset_show()
Tejun Heo (15):
cpuset: remove unused cpuset_unlock()
cpuset: remove fast exit path from remove_tasks_in_empty_cpuset()
cpuset: introduce ->css_on/offline()
cpuset: introduce CS_ONLINE
cpuset: introduce cpuset_for_each_child()
cpuset: cleanup cpuset[_can]_attach()
cpuset: reorganize CPU / memory hotplug handling
cpuset: don't nest cgroup_mutex inside get_online_cpus()
cpuset: drop async_rebuild_sched_domains()
cpuset: make CPU / memory hotplug propagation asynchronous
cpuset: pin down cpus and mems while a task is being attached
cpuset: schedule hotplug propagation from cpuset_attach() if the cpuset is empty
cpuset: replace cgroup_mutex locking with cpuset internal locking
cpuset: replace cpuset->stack_list with cpuset_for_each_descendant_pre()
cpuset: remove cpuset->parent
MAINTAINERS | 4 +-
kernel/cpuset.c | 872 +++++++++++++++++++++++++++++++-------------------------
2 files changed, 485 insertions(+), 391 deletions(-)
Thanks.
--
tejun
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