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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  RDMA/iwcm: Don't access a cm_id after dropping reference
  IB/iser: Handle iser_device allocation error gracefully
  IB/iser: Fix list iteration bug
  RDMA/cxgb3: Fix iwch_create_cq() off-by-one error
  RDMA/cxgb3: Return correct max_inline_data when creating a QP
  IB/fmr_pool: Flush all dirty FMRs from ib_fmr_pool_flush()
  Revert "IB/fmr_pool: ib_fmr_pool_flush() should flush all dirty FMRs"
  IB/cm: Flush workqueue when removing device
  MAINTAINERS: update ipath owner
This commit is contained in:
Linus Torvalds 2008-03-11 09:14:34 -07:00
parent 2f44bbb495 d7c1fbd660
commit 6c47d773e7
6 changed files with 56 additions and 44 deletions
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2
MAINTAINERS
View File

@ -2156,7 +2156,7 @@ L: netdev@vger.kernel.org
S: Maintained
IPATH DRIVER:
P: Arthur Jones
P: Ralph Campbell
M: infinipath@qlogic.com
L: general@lists.openfabrics.org
T: git git://git.qlogic.com/ipath-linux-2.6

3
drivers/infiniband/core/cm.c
View File

@ -3759,6 +3759,7 @@ static void cm_remove_one(struct ib_device *device)
port = cm_dev->port[i-1];
ib_modify_port(device, port->port_num, 0, &port_modify);
ib_unregister_mad_agent(port->mad_agent);
flush_workqueue(cm.wq);
cm_remove_port_fs(port);
}
kobject_put(&cm_dev->dev_obj);
@ -3813,6 +3814,7 @@ static void __exit ib_cm_cleanup(void)
cancel_delayed_work(&timewait_info->work.work);
spin_unlock_irq(&cm.lock);
ib_unregister_client(&cm_client);
destroy_workqueue(cm.wq);
list_for_each_entry_safe(timewait_info, tmp, &cm.timewait_list, list) {
@ -3820,7 +3822,6 @@ static void __exit ib_cm_cleanup(void)
kfree(timewait_info);
}
ib_unregister_client(&cm_client);
class_unregister(&cm_class);
idr_destroy(&cm.local_id_table);
}

38
drivers/infiniband/core/fmr_pool.c
View File

@ -139,7 +139,7 @@ static inline struct ib_pool_fmr *ib_fmr_cache_lookup(struct ib_fmr_pool *pool,
static void ib_fmr_batch_release(struct ib_fmr_pool *pool)
{
int ret;
struct ib_pool_fmr *fmr, *next;
struct ib_pool_fmr *fmr;
LIST_HEAD(unmap_list);
LIST_HEAD(fmr_list);
@ -158,20 +158,6 @@ static void ib_fmr_batch_release(struct ib_fmr_pool *pool)
#endif
}
/*
* The free_list may hold FMRs that have been put there
* because they haven't reached the max_remap count.
* Invalidate their mapping as well.
*/
list_for_each_entry_safe(fmr, next, &pool->free_list, list) {
if (fmr->remap_count == 0)
continue;
hlist_del_init(&fmr->cache_node);
fmr->remap_count = 0;
list_add_tail(&fmr->fmr->list, &fmr_list);
list_move(&fmr->list, &unmap_list);
}
list_splice(&pool->dirty_list, &unmap_list);
INIT_LIST_HEAD(&pool->dirty_list);
pool->dirty_len = 0;
@ -384,6 +370,11 @@ void ib_destroy_fmr_pool(struct ib_fmr_pool *pool)
i = 0;
list_for_each_entry_safe(fmr, tmp, &pool->free_list, list) {
if (fmr->remap_count) {
INIT_LIST_HEAD(&fmr_list);
list_add_tail(&fmr->fmr->list, &fmr_list);
ib_unmap_fmr(&fmr_list);
}
ib_dealloc_fmr(fmr->fmr);
list_del(&fmr->list);
kfree(fmr);
@ -407,8 +398,23 @@ EXPORT_SYMBOL(ib_destroy_fmr_pool);
*/
int ib_flush_fmr_pool(struct ib_fmr_pool *pool)
{
int serial = atomic_inc_return(&pool->req_ser);
int serial;
struct ib_pool_fmr *fmr, *next;
/*
* The free_list holds FMRs that may have been used
* but have not been remapped enough times to be dirty.
* Put them on the dirty list now so that the cleanup
* thread will reap them too.
*/
spin_lock_irq(&pool->pool_lock);
list_for_each_entry_safe(fmr, next, &pool->free_list, list) {
if (fmr->remap_count > 0)
list_move(&fmr->list, &pool->dirty_list);
}
spin_unlock_irq(&pool->pool_lock);
serial = atomic_inc_return(&pool->req_ser);
wake_up_process(pool->thread);
if (wait_event_interruptible(pool->force_wait,

5
drivers/infiniband/core/iwcm.c
View File

@ -839,6 +839,7 @@ static void cm_work_handler(struct work_struct *_work)
unsigned long flags;
int empty;
int ret = 0;
int destroy_id;
spin_lock_irqsave(&cm_id_priv->lock, flags);
empty = list_empty(&cm_id_priv->work_list);
@ -857,9 +858,9 @@ static void cm_work_handler(struct work_struct *_work)
destroy_cm_id(&cm_id_priv->id);
}
BUG_ON(atomic_read(&cm_id_priv->refcount)==0);
destroy_id = test_bit(IWCM_F_CALLBACK_DESTROY, &cm_id_priv->flags);
if (iwcm_deref_id(cm_id_priv)) {
if (test_bit(IWCM_F_CALLBACK_DESTROY,
&cm_id_priv->flags)) {
if (destroy_id) {
BUG_ON(!list_empty(&cm_id_priv->work_list));
free_cm_id(cm_id_priv);
}

5
drivers/infiniband/hw/cxgb3/iwch_provider.c
View File

@ -189,7 +189,7 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve
return ERR_PTR(-ENOMEM);
}
chp->rhp = rhp;
chp->ibcq.cqe = (1 << chp->cq.size_log2) - 1;
chp->ibcq.cqe = 1 << chp->cq.size_log2;
spin_lock_init(&chp->lock);
atomic_set(&chp->refcnt, 1);
init_waitqueue_head(&chp->wait);
@ -819,8 +819,11 @@ static struct ib_qp *iwch_create_qp(struct ib_pd *pd,
kfree(qhp);
return ERR_PTR(-ENOMEM);
}
attrs->cap.max_recv_wr = rqsize - 1;
attrs->cap.max_send_wr = sqsize;
attrs->cap.max_inline_data = T3_MAX_INLINE;
qhp->rhp = rhp;
qhp->attr.pd = php->pdid;
qhp->attr.scq = ((struct iwch_cq *) attrs->send_cq)->cq.cqid;

25
drivers/infiniband/ulp/iser/iser_verbs.c
View File

@ -237,23 +237,19 @@ static int iser_free_ib_conn_res(struct iser_conn *ib_conn)
static
struct iser_device *iser_device_find_by_ib_device(struct rdma_cm_id *cma_id)
{
struct list_head *p_list;
struct iser_device *device = NULL;
struct iser_device *device;
mutex_lock(&ig.device_list_mutex);
p_list = ig.device_list.next;
while (p_list != &ig.device_list) {
device = list_entry(p_list, struct iser_device, ig_list);
list_for_each_entry(device, &ig.device_list, ig_list)
/* find if there's a match using the node GUID */
if (device->ib_device->node_guid == cma_id->device->node_guid)
break;
}
goto inc_refcnt;
if (device == NULL) {
device = kzalloc(sizeof *device, GFP_KERNEL);
if (device == NULL)
goto out;
/* assign this device to the device */
device->ib_device = cma_id->device;
/* init the device and link it into ig device list */
@ -263,10 +259,10 @@ struct iser_device *iser_device_find_by_ib_device(struct rdma_cm_id *cma_id)
goto out;
}
list_add(&device->ig_list, &ig.device_list);
}
out:
BUG_ON(device == NULL);
inc_refcnt:
device->refcount++;
out:
mutex_unlock(&ig.device_list_mutex);
return device;
}
@ -372,6 +368,12 @@ static void iser_addr_handler(struct rdma_cm_id *cma_id)
int ret;
device = iser_device_find_by_ib_device(cma_id);
if (!device) {
iser_err("device lookup/creation failed\n");
iser_connect_error(cma_id);
return;
}
ib_conn = (struct iser_conn *)cma_id->context;
ib_conn->device = device;
@ -380,7 +382,6 @@ static void iser_addr_handler(struct rdma_cm_id *cma_id)
iser_err("resolve route failed: %d\n", ret);
iser_connect_error(cma_id);
}
return;
}
static void iser_route_handler(struct rdma_cm_id *cma_id)