)]}'
{
  "commit": "13337714f3b0307dc7f75ef5d83ecf0db2abbd65",
  "tree": "f76dd8961b9287b25e2ea24d2d34fecc52d2c8a0",
  "parents": [
    "e7c5ec9193d32b9559a3bb8893ceedbda85201ff"
  ],
  "author": {
    "name": "Lai Jiangshan",
    "email": "laijs@cn.fujitsu.com",
    "time": "Wed Jan 07 18:08:39 2009 -0800"
  },
  "committer": {
    "name": "Linus Torvalds",
    "email": "torvalds@linux-foundation.org",
    "time": "Thu Jan 08 08:31:11 2009 -0800"
  },
  "message": "cpuset: rcu_read_lock() to protect task_cs()\n\ntask_cs() calls task_subsys_state().\n\nWe must use rcu_read_lock() to protect cgroup_subsys_state().\n\nIt\u0027s correct that top_cpuset is never freed, but cgroup_subsys_state()\naccesses css_set, this css_set maybe freed when task_cs() called.\n\nWe use use rcu_read_lock() to protect it.\n\nSigned-off-by: Lai Jiangshan \u003claijs@cn.fujitsu.com\u003e\nAcked-by: Paul Menage \u003cmenage@google.com\u003e\nCc: KAMEZAWA Hiroyuki \u003ckamezawa.hiroyu@jp.fujitsu.com\u003e\nCc: Pavel Emelyanov \u003cxemul@openvz.org\u003e\nCc: Balbir Singh \u003cbalbir@in.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "345ace5117de9ebfdd886e1a959e4b01eefb2374",
      "old_mode": 33188,
      "old_path": "kernel/cpuset.c",
      "new_id": "a841b5c01ef9488c12215252085cd1c94c0948d5",
      "new_mode": 33188,
      "new_path": "kernel/cpuset.c"
    }
  ]
}