Use rcu_read_lock() for protecting read side operations in rxe_pool.c.
Signed-off-by: Bob Pearson <rpearsonhpe@xxxxxxxxx>
---
drivers/infiniband/sw/rxe/rxe_pool.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_pool.c b/drivers/infiniband/sw/rxe/rxe_pool.c
index 6f39f74233d2..a2c74beceeae 100644
--- a/drivers/infiniband/sw/rxe/rxe_pool.c
+++ b/drivers/infiniband/sw/rxe/rxe_pool.c
@@ -190,16 +190,15 @@ void *rxe_pool_get_index(struct rxe_pool *pool, u32 index)
{
struct rxe_pool_elem *elem;
struct xarray *xa = &pool->xa;
- unsigned long flags;
void *obj;
- xa_lock_irqsave(xa, flags);
+ rcu_read_lock();
elem = xa_load(xa, index);
if (elem && kref_get_unless_zero(&elem->ref_cnt))
obj = elem->obj;
else
obj = NULL;
- xa_unlock_irqrestore(xa, flags);
+ rcu_read_unlock();
return obj;
}
@@ -242,7 +241,7 @@ int __rxe_cleanup(struct rxe_pool_elem *elem)
pool->cleanup(elem);
if (pool->flags & RXE_POOL_ALLOC)
- kfree(elem->obj);
+ kfree_rcu(elem->obj);
atomic_dec(&pool->num_elem);
--
2.32.0
