)]}'
{
  "commit": "062dbb69f32b9ccea701b30f8cc0049482e6211f",
  "tree": "063b57c57dfce3ff2775a64721f5fe311752247a",
  "parents": [
    "459d6e2a541a5226825db998e627e0aa046aa257"
  ],
  "author": {
    "name": "Michael S. Tsirkin",
    "email": "mst@mellanox.co.il",
    "time": "Sun Dec 31 21:09:42 2006 +0200"
  },
  "committer": {
    "name": "Roland Dreier",
    "email": "rolandd@cisco.com",
    "time": "Sun Feb 04 14:11:55 2007 -0800"
  },
  "message": "IB: Return qp pointer as part of ib_wc\n\nstruct ib_wc currently only includes the local QP number: this matches\nthe IB spec, but seems mostly useless. The following patch replaces\nthis with the pointer to qp itself, and updates all low level drivers\nand all users.\n\nThis has the following advantages:\n- Ability to get a per-qp context through wc-\u003eqp-\u003eqp_context\n- Existing drivers already have the qp pointer ready in poll cq, so\n  this change actually saves a tiny bit (extra memory read) on data path\n  (for ehca it would actually be expensive to find the QP pointer when\n  polling a CQ, but ehca does not support SRQ so we can leave wc-\u003eqp as\n  NULL for ehca)\n- Users that need the QP number can still get it through wc-\u003eqp-\u003eqp_num\n\nUse case:\n\nIn IPoIB connected mode code, I have a common CQ shared by multiple\nQPs.  To track connection usage, I need a way to get at some per-QP\ncontext upon the completion, and I would like to avoid allocating\ncontext object per work request just to stick a QP pointer into it.\nWith this code, I can just use wc-\u003eqp-\u003eqp_context.\n\nSigned-off-by: Michael S. Tsirkin \u003cmst@mellanox.co.il\u003e\nSigned-off-by: Roland Dreier \u003crolandd@cisco.com\u003e\n",
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