diff options
Diffstat (limited to 'drivers/staging/rdma/hfi1/pio_copy.c')
| -rw-r--r-- | drivers/staging/rdma/hfi1/pio_copy.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/staging/rdma/hfi1/pio_copy.c b/drivers/staging/rdma/hfi1/pio_copy.c index 8972bbc02..ebb0bafc6 100644 --- a/drivers/staging/rdma/hfi1/pio_copy.c +++ b/drivers/staging/rdma/hfi1/pio_copy.c @@ -160,7 +160,8 @@ void pio_copy(struct hfi1_devdata *dd, struct pio_buf *pbuf, u64 pbc, } /* finished with this buffer */ - atomic_dec(&pbuf->sc->buffers_allocated); + this_cpu_dec(*pbuf->sc->buffers_allocated); + preempt_enable(); } /* USE_SHIFTS is faster in user-space tests on a Xeon X5570 @ 2.93GHz */ @@ -854,5 +855,6 @@ void seg_pio_copy_end(struct pio_buf *pbuf) } /* finished with this buffer */ - atomic_dec(&pbuf->sc->buffers_allocated); + this_cpu_dec(*pbuf->sc->buffers_allocated); + preempt_enable(); } |