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| author | Bharat Potnuri <bharat@chelsio.com> | 2018-04-27 16:41:16 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-09 09:51:53 +0200 |
| commit | 758f3340b8037d5f43e8c2ea564d7e5d1292ede6 (patch) | |
| tree | 00992880386079d32524bc874d15e783d0e8c52a /drivers/infiniband/hw/cxgb4/iw_cxgb4.h | |
| parent | d7683a5c8c946c4b975c84accc70112750ea46b4 (diff) | |
| download | linux-stable-758f3340b8037d5f43e8c2ea564d7e5d1292ede6.tar.gz linux-stable-758f3340b8037d5f43e8c2ea564d7e5d1292ede6.tar.bz2 linux-stable-758f3340b8037d5f43e8c2ea564d7e5d1292ede6.zip | |
iw_cxgb4: Atomically flush per QP HW CQEs
commit 2df19e19ae90d94fd8724083f161f368a2797537 upstream.
When a CQ is shared by multiple QPs, c4iw_flush_hw_cq() needs to acquire
corresponding QP lock before moving the CQEs into its corresponding SW
queue and accessing the SQ contents for completing a WR.
Ignore CQEs if corresponding QP is already flushed.
Cc: stable@vger.kernel.org
Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/iw_cxgb4.h')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h index 9bb2e0a50c7f..f52779871d04 100644 --- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h +++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h @@ -993,7 +993,7 @@ void c4iw_pblpool_free(struct c4iw_rdev *rdev, u32 addr, int size); u32 c4iw_ocqp_pool_alloc(struct c4iw_rdev *rdev, int size); void c4iw_ocqp_pool_free(struct c4iw_rdev *rdev, u32 addr, int size); int c4iw_ofld_send(struct c4iw_rdev *rdev, struct sk_buff *skb); -void c4iw_flush_hw_cq(struct c4iw_cq *chp); +void c4iw_flush_hw_cq(struct c4iw_cq *chp, struct c4iw_qp *flush_qhp); void c4iw_count_rcqes(struct t4_cq *cq, struct t4_wq *wq, int *count); int c4iw_ep_disconnect(struct c4iw_ep *ep, int abrupt, gfp_t gfp); int c4iw_flush_rq(struct t4_wq *wq, struct t4_cq *cq, int count); |