diff options
| author | Mike Marciniszyn <mike.marciniszyn@intel.com> | 2016-09-06 14:37:41 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-10-02 15:42:10 +0300 |
| commit | 68e78b3d78ac69412c468460606cc767a743acab (patch) | |
| tree | 5d54d79342d90dd20ae2b0617a85a74c148fac39 /drivers/infiniband/sw/rdmavt/qp.c | |
| parent | 222f7a9aac26ae6bdeb3d4d29bad010ba34c31d3 (diff) | |
| download | linux-68e78b3d78ac69412c468460606cc767a743acab.tar.xz | |
IB/rdmavt, IB/hfi1: Add lockdep asserts for lock debug
This patch adds lockdep asserts in key code paths for
insuring lock correctness.
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/sw/rdmavt/qp.c')
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/qp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index 673e2f674215..7fe0d7e3ba46 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -562,6 +562,9 @@ static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, __must_hold(&qp->s_hlock) __must_hold(&qp->r_lock) { + lockdep_assert_held(&qp->r_lock); + lockdep_assert_held(&qp->s_hlock); + lockdep_assert_held(&qp->s_lock); if (qp->state != IB_QPS_RESET) { qp->state = IB_QPS_RESET; @@ -595,6 +598,9 @@ static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, rdi->driver_f.notify_qp_reset(qp); } rvt_init_qp(rdi, qp, type); + lockdep_assert_held(&qp->r_lock); + lockdep_assert_held(&qp->s_hlock); + lockdep_assert_held(&qp->s_lock); } /** @@ -917,6 +923,8 @@ int rvt_error_qp(struct rvt_qp *qp, enum ib_wc_status err) int ret = 0; struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); + lockdep_assert_held(&qp->r_lock); + lockdep_assert_held(&qp->s_lock); if (qp->state == IB_QPS_ERR || qp->state == IB_QPS_RESET) goto bail; |