diff options
author | Waiman Long | 2023-04-11 09:35:59 -0400 |
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committer | Tejun Heo | 2023-04-12 08:23:58 -1000 |
commit | eee87853794187f6adbe19533ed79c8b44b36a91 (patch) | |
tree | 326dbfa685987b930fa1bcf0ac0e01f2e1e4b92f /kernel/relay.c | |
parent | 42a11bf5c5436e91b040aeb04063be1710bb9f9c (diff) |
cgroup/cpuset: Add cpuset_can_fork() and cpuset_cancel_fork() methods
In the case of CLONE_INTO_CGROUP, not all cpusets are ready to accept
new tasks. It is too late to check that in cpuset_fork(). So we need
to add the cpuset_can_fork() and cpuset_cancel_fork() methods to
pre-check it before we can allow attachment to a different cpuset.
We also need to set the attach_in_progress flag to alert other code
that a new task is going to be added to the cpuset.
Fixes: ef2c41cf38a7 ("clone3: allow spawning processes into cgroups")
Suggested-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Waiman Long <longman@redhat.com>
Cc: stable@vger.kernel.org # v5.7+
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'kernel/relay.c')
0 files changed, 0 insertions, 0 deletions