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SubjectRe: [PATCH v4 0/5] cgroup/cpuset: Fix CLONE_INTO_CGROUP problem & other issues
On Tue, Apr 11, 2023 at 09:35:56AM -0400, Waiman Long wrote:
> v4:
> - Add missing rcu_read_lock/unlock to cpuset_cancel_fork() in patch 3.
> - Add patch 5 to reduce performance impact for the
> non-CLONE_INTO_CGROUP case.
>
> v3:
> - Update patches 2 & 3 to put task_cs() call under rcu_read_lock().
>
> v2:
> - Drop v1 patch 3
> - Add a new patch to fix an issue in cpuset_cancel_attach() and
> another patch to add cpuset_can_fork() and cpuset_cacnel_fork()
> methods.
>
> The first patch in this series fixes a problem in
> cpuset_cancel_attach(). Patches 2 and 3 fixes the CLONE_INTO_CGROUP
> problem in cpuset. Patch 4 is a minor fix. The last patch is a
> performance optimization patch for the non-CLONE_INTO_CGROUP case.

Applied 1-4 to cgroup/for-6.3-fixes w/ stable cc'd. Given that the fixes are
a bit involved, the breakages have been there for quite a while and the
cpuset code has changed quite a bit, backporting might not be trivial tho.
Let's see how that goes.

Thanks.

--
tejun

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