Merge tag 'drm-intel-fixes-2016-05-02' of git://anongit.freedesktop.org/drm-intel...

[deliverable/linux.git] / kernel / cgroup.c

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 671dc05c0b0fd6b732cf03d6efec6a5dd5a3557d..909a7d31ffd3d3083c2253aefd4253715bcb2278 100644 (file)
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2825,9 +2825,10 @@ static ssize_t __cgroup_procs_write(struct kernfs_open_file *of, char *buf,
                                    size_t nbytes, loff_t off, bool threadgroup)
 {
        struct task_struct *tsk;
+       struct cgroup_subsys *ss;
        struct cgroup *cgrp;
        pid_t pid;
-       int ret;
+       int ssid, ret;
 
        if (kstrtoint(strstrip(buf), 0, &pid) || pid < 0)
                return -EINVAL;
@@ -2875,8 +2876,10 @@ out_unlock_rcu:
        rcu_read_unlock();
 out_unlock_threadgroup:
        percpu_up_write(&cgroup_threadgroup_rwsem);
+       for_each_subsys(ss, ssid)
+               if (ss->post_attach)
+                       ss->post_attach();
        cgroup_kn_unlock(of->kn);
-       cpuset_post_attach_flush();
        return ret ?: nbytes;
 }