On Wed, Jan 11, 2017 at 06:46:33PM +0800, Zefan Li wrote: > On 2016/12/30 6:11, Tejun Heo wrote: > > Hello, > > > > On the v2 hierarchy, when controllers are enabled and disabled, other > > ->*attach() callbacks of other controllers are called spuriously with > > the same source and destination. While this isn't critical, it's a > > bit nasty and can lead to temporary double charging on certain > > controllers. This patchset fixes the issue. > > > > This patchset contains the following three patches. > > > > 0001-cgroup-cosmetic-update-to-cgroup_taskset_add.patch > > 0002-cgroup-track-migration-context-in-cgroup_mgctx.patch > > 0003-cgroup-call-subsys-attach-only-for-subsystems-which-.patch > > > > 0001-0002 restructures migration context tracking so that extra state > > can be tracked easily. 0003 fixes the spurious ->*attach() > > invocations. > > > > This patchset is also available in the following git branch. > > > > git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git > > review-avoid-identity-attach > > > > diffstat follows. > > > > kernel/cgroup/cgroup-internal.h | 69 +++++++++++++++-- > > kernel/cgroup/cgroup-v1.c | 10 +- > > kernel/cgroup/cgroup.c | 161 > > ++++++++++++++++------------------------ > > 3 files changed, 135 insertions(+), 105 deletions(-) > > > > Acked-by: Zefan Li <[email protected]>
Applied to cgroup/for-4.11. Thanks. -- tejun
