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/hw/hfi1/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/hw/hfi1/qp.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/qp.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hfi1/qp.c b/drivers/infiniband/hw/hfi1/qp.c index 53ad10ce4f50..9fc75e7e8781 100644 --- a/drivers/infiniband/hw/hfi1/qp.c +++ b/drivers/infiniband/hw/hfi1/qp.c @@ -449,13 +449,14 @@ static void qp_pio_drain(struct rvt_qp *qp) */ void hfi1_schedule_send(struct rvt_qp *qp) { + lockdep_assert_held(&qp->s_lock); if (hfi1_send_ok(qp)) _hfi1_schedule_send(qp); } /** - * hfi1_get_credit - flush the send work queue of a QP - * @qp: the qp who's send work queue to flush + * hfi1_get_credit - handle credit in aeth + * @qp: the qp * @aeth: the Acknowledge Extended Transport Header * * The QP s_lock should be held. @@ -464,6 +465,7 @@ void hfi1_get_credit(struct rvt_qp *qp, u32 aeth) { u32 credit = (aeth >> HFI1_AETH_CREDIT_SHIFT) & HFI1_AETH_CREDIT_MASK; + lockdep_assert_held(&qp->s_lock); /* * If the credit is invalid, we can send * as many packets as we like. Otherwise, we have to @@ -853,6 +855,7 @@ unsigned free_all_qps(struct rvt_dev_info *rdi) void flush_qp_waiters(struct rvt_qp *qp) { + lockdep_assert_held(&qp->s_lock); flush_iowait(qp); hfi1_stop_rc_timers(qp); } |