diff options
| author | Matthew Wilcox <willy@infradead.org> | 2019-02-20 16:20:53 -0800 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-03-25 15:42:12 -0300 |
| commit | f254ba6ae5474cb3f1c1863b102368483963e858 (patch) | |
| tree | 164be7c8a646a25c5a1ef7dc750fe6dae7fbf89d /drivers/infiniband/hw/cxgb4/cm.c | |
| parent | 7a268a93973c07f93e952d96c2faa88df8ed38d8 (diff) | |
| download | linux-f254ba6ae5474cb3f1c1863b102368483963e858.tar.bz2 | |
cxgb4: Convert hwtid_idr to XArray
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/cm.c')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/cm.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 4d232bdf9e97..a922895b31e1 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -331,20 +331,23 @@ static void remove_ep_tid(struct c4iw_ep *ep) { unsigned long flags; - spin_lock_irqsave(&ep->com.dev->lock, flags); - _remove_handle(ep->com.dev, &ep->com.dev->hwtid_idr, ep->hwtid, 0); - if (idr_is_empty(&ep->com.dev->hwtid_idr)) + xa_lock_irqsave(&ep->com.dev->hwtids, flags); + __xa_erase(&ep->com.dev->hwtids, ep->hwtid); + if (xa_empty(&ep->com.dev->hwtids)) wake_up(&ep->com.dev->wait); - spin_unlock_irqrestore(&ep->com.dev->lock, flags); + xa_unlock_irqrestore(&ep->com.dev->hwtids, flags); } -static void insert_ep_tid(struct c4iw_ep *ep) +static int insert_ep_tid(struct c4iw_ep *ep) { unsigned long flags; + int err; + + xa_lock_irqsave(&ep->com.dev->hwtids, flags); + err = __xa_insert(&ep->com.dev->hwtids, ep->hwtid, ep, GFP_KERNEL); + xa_unlock_irqrestore(&ep->com.dev->hwtids, flags); - spin_lock_irqsave(&ep->com.dev->lock, flags); - _insert_handle(ep->com.dev, &ep->com.dev->hwtid_idr, ep, ep->hwtid, 0); - spin_unlock_irqrestore(&ep->com.dev->lock, flags); + return err; } /* @@ -355,11 +358,11 @@ static struct c4iw_ep *get_ep_from_tid(struct c4iw_dev *dev, unsigned int tid) struct c4iw_ep *ep; unsigned long flags; - spin_lock_irqsave(&dev->lock, flags); - ep = idr_find(&dev->hwtid_idr, tid); + xa_lock_irqsave(&dev->hwtids, flags); + ep = xa_load(&dev->hwtids, tid); if (ep) c4iw_get_ep(&ep->com); - spin_unlock_irqrestore(&dev->lock, flags); + xa_unlock_irqrestore(&dev->hwtids, flags); return ep; } @@ -2947,7 +2950,7 @@ out: (const u32 *)&sin6->sin6_addr.s6_addr, 1); } - remove_handle(ep->com.dev, &ep->com.dev->hwtid_idr, ep->hwtid); + xa_erase_irq(&ep->com.dev->hwtids, ep->hwtid); cxgb4_remove_tid(ep->com.dev->rdev.lldi.tids, 0, ep->hwtid, ep->com.local_addr.ss_family); dst_release(ep->dst); |