diff options
| author |   Joachim Fenkes <fenkes@de.ibm.com> | 2007-07-09 15:31:10 +0200 |
|---|---|---|
| committer |   Roland Dreier <rolandd@cisco.com> | 2007-07-09 20:12:27 -0700 |
| commit | 26ed687fdd541c2542b79dcd75fb2c82eb36f189 (patch) | |
| tree | 45d5ad42b6b9259f273cc274d0fbf18a6d169e91 /drivers/infiniband/hw/ehca/ehca_classes.h | |
| parent | IB/ehca: Refactor sync between completions and destroy_cq using atomic_t (diff) | |
| download | linux-dev-26ed687fdd541c2542b79dcd75fb2c82eb36f189.tar.xz linux-dev-26ed687fdd541c2542b79dcd75fb2c82eb36f189.zip | |
IB/ehca: Change idr spinlocks into rwlocks
This eliminates lock contention among IRQs as well as the need to
disable IRQs around idr_find, because there are no IRQ writers.
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_classes.h')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_classes.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h index 8580f2a0ea57..f1e0db2ff16c 100644 --- a/drivers/infiniband/hw/ehca/ehca_classes.h +++ b/drivers/infiniband/hw/ehca/ehca_classes.h @@ -293,8 +293,8 @@ void ehca_cleanup_av_cache(void); int ehca_init_mrmw_cache(void); void ehca_cleanup_mrmw_cache(void); -extern spinlock_t ehca_qp_idr_lock; -extern spinlock_t ehca_cq_idr_lock; +extern rwlock_t ehca_qp_idr_lock; +extern rwlock_t ehca_cq_idr_lock; extern struct idr ehca_qp_idr; extern struct idr ehca_cq_idr; |