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authorDave Airlie <airlied@redhat.com>2018-05-18 07:08:53 +0300
committerDave Airlie <airlied@redhat.com>2018-05-18 07:08:53 +0300
commit1fafef9dfe127bdd4600eeaca302f0c1cb4ee5d0 (patch)
treef829e8a26fc768666eb5f827bf5817892ea7e46c /drivers/infiniband/hw/cxgb4/cq.c
parent315852b422972e6ebb1dfddaadada09e46a2681a (diff)
parent76ef6b28ea4f81c3d511866a9b31392caa833126 (diff)
downloadlinux-1fafef9dfe127bdd4600eeaca302f0c1cb4ee5d0.tar.xz
Merge drm-fixes-for-v4.17-rc6-urgent into drm-next
Need to backmerge some nouveau fixes to reduce the nouveau -next conflicts a lot. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/cq.c')
-rw-r--r--drivers/infiniband/hw/cxgb4/cq.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index 6f2b26126c64..2be2e1ac1b5f 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -315,7 +315,7 @@ static void advance_oldest_read(struct t4_wq *wq)
* Deal with out-of-order and/or completions that complete
* prior unsignalled WRs.
*/
-void c4iw_flush_hw_cq(struct c4iw_cq *chp)
+void c4iw_flush_hw_cq(struct c4iw_cq *chp, struct c4iw_qp *flush_qhp)
{
struct t4_cqe *hw_cqe, *swcqe, read_cqe;
struct c4iw_qp *qhp;
@@ -339,6 +339,13 @@ void c4iw_flush_hw_cq(struct c4iw_cq *chp)
if (qhp == NULL)
goto next_cqe;
+ if (flush_qhp != qhp) {
+ spin_lock(&qhp->lock);
+
+ if (qhp->wq.flushed == 1)
+ goto next_cqe;
+ }
+
if (CQE_OPCODE(hw_cqe) == FW_RI_TERMINATE)
goto next_cqe;
@@ -390,6 +397,8 @@ void c4iw_flush_hw_cq(struct c4iw_cq *chp)
next_cqe:
t4_hwcq_consume(&chp->cq);
ret = t4_next_hw_cqe(&chp->cq, &hw_cqe);
+ if (qhp && flush_qhp != qhp)
+ spin_unlock(&qhp->lock);
}
}