diff options
-rw-r--r-- | drivers/infiniband/hw/vmw_pvrdma/pvrdma_ring.h | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_ring.h b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_ring.h index ed9022a..8b558ae 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_ring.h +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_ring.h @@ -111,21 +111,4 @@ static inline __s32 pvrdma_idx_ring_has_data(const struct pvrdma_ring *r, return PVRDMA_INVALID_IDX; } -static inline bool pvrdma_idx_ring_is_valid_idx(const struct pvrdma_ring *r, - __u32 max_elems, __u32 *idx) -{ - const __u32 tail = atomic_read(&r->prod_tail); - const __u32 head = atomic_read(&r->cons_head); - - if (pvrdma_idx_valid(tail, max_elems) && - pvrdma_idx_valid(head, max_elems) && - pvrdma_idx_valid(*idx, max_elems)) { - if (tail > head && (*idx < tail && *idx >= head)) - return true; - else if (head > tail && (*idx >= head || *idx < tail)) - return true; - } - return false; -} - #endif /* __PVRDMA_RING_H__ */ |