)]}'
{
  "commit": "66d0f7ec9f1038452178b1993fc07fd96d30fd38",
  "tree": "8894bb4925a29d29301a851d4bb384b68bd6a24d",
  "parents": [
    "44e8967d591686463e84a88b46b03beba3ab49fb"
  ],
  "author": {
    "name": "Andreas Larsson",
    "email": "andreas@gaisler.com",
    "time": "Thu Dec 18 13:23:23 2014 +0100"
  },
  "committer": {
    "name": "David S. Miller",
    "email": "davem@davemloft.net",
    "time": "Thu Dec 18 12:47:54 2014 -0500"
  },
  "message": "sparc32: destroy_context() and switch_mm() needs to disable interrupts.\n\nLoad balancing can be triggered in the critical sections protected by\nsrmmu_context_spinlock in destroy_context() and switch_mm() and can hang\nthe cpu waiting for the rq lock of another cpu that in turn has called\nswitch_mm hangning on srmmu_context_spinlock leading to deadlock.\n\nSo, disable interrupt while taking srmmu_context_spinlock in\ndestroy_context() and switch_mm() so we don\u0027t deadlock.\n\nSee also commit 77b838fa1ef0 (\"[SPARC64]: destroy_context() needs to disable\ninterrupts.\")\n\nSigned-off-by: Andreas Larsson \u003candreas@gaisler.com\u003e\nSigned-off-by: David S. Miller \u003cdavem@davemloft.net\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "be65f035d18a11bbfeb40ded7f7ae8854889db58",
      "old_mode": 33188,
      "old_path": "arch/sparc/mm/srmmu.c",
      "new_id": "5cbc96d801ff9cefc38a09cdea943121dc195a0e",
      "new_mode": 33188,
      "new_path": "arch/sparc/mm/srmmu.c"
    }
  ]
}
