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authorBob Pearson <rpearsonhpe@gmail.com>2021-01-25 15:16:38 -0600
committerJason Gunthorpe <jgg@nvidia.com>2021-01-28 15:29:56 -0400
commit4276fd0dddc98ee7d6c1a469b3f35b8ab51ddc2f (patch)
treec5439f0cc801dc6111f7ae96f19372022093e1c5 /drivers/infiniband/sw
parent88cc77eb8bd05fd185a7d142dedc6e406c5c35b6 (diff)
RDMA/rxe: Remove RXE_POOL_ATOMIC
rxe_alloc() used the RXE_POOL_ATOMIC flag in rxe_type_info to select GFP_ATOMIC in calls to kzalloc(). This was intended to handle cases where an object could be created in interrupt context. This no longer occurs since allocating those objects has moved into the core so this flag is not necessary. An incorrect use of this flag was still present for rxe_mc_elem objects and is removed. Link: https://lore.kernel.org/r/20210125211641.2694-4-rpearson@hpe.com Signed-off-by: Bob Pearson <rpearson@hpe.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/sw')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_pool.c6
-rw-r--r--drivers/infiniband/sw/rxe/rxe_pool.h1
2 files changed, 1 insertions, 6 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_pool.c b/drivers/infiniband/sw/rxe/rxe_pool.c
index 5ca54e09cd0e..0ca46bd8be51 100644
--- a/drivers/infiniband/sw/rxe/rxe_pool.c
+++ b/drivers/infiniband/sw/rxe/rxe_pool.c
@@ -84,7 +84,6 @@ struct rxe_type_info rxe_type_info[RXE_NUM_TYPES] = {
.name = "rxe-mc_elem",
.size = sizeof(struct rxe_mc_elem),
.elem_offset = offsetof(struct rxe_mc_elem, pelem),
- .flags = RXE_POOL_ATOMIC,
},
};
@@ -380,8 +379,6 @@ void *rxe_alloc(struct rxe_pool *pool)
struct rxe_pool_entry *elem;
u8 *obj;
- might_sleep_if(!(pool->flags & RXE_POOL_ATOMIC));
-
read_lock_irqsave(&pool->pool_lock, flags);
if (pool->state != RXE_POOL_STATE_VALID) {
read_unlock_irqrestore(&pool->pool_lock, flags);
@@ -397,8 +394,7 @@ void *rxe_alloc(struct rxe_pool *pool)
if (atomic_inc_return(&pool->num_elem) > pool->max_elem)
goto out_cnt;
- obj = kzalloc(info->size, (pool->flags & RXE_POOL_ATOMIC) ?
- GFP_ATOMIC : GFP_KERNEL);
+ obj = kzalloc(info->size, GFP_KERNEL);
if (!obj)
goto out_cnt;
diff --git a/drivers/infiniband/sw/rxe/rxe_pool.h b/drivers/infiniband/sw/rxe/rxe_pool.h
index a75ac2d2847a..22714dafe00d 100644
--- a/drivers/infiniband/sw/rxe/rxe_pool.h
+++ b/drivers/infiniband/sw/rxe/rxe_pool.h
@@ -11,7 +11,6 @@
#define RXE_POOL_CACHE_FLAGS (0)
enum rxe_pool_flags {
- RXE_POOL_ATOMIC = BIT(0),
RXE_POOL_INDEX = BIT(1),
RXE_POOL_KEY = BIT(2),
RXE_POOL_NO_ALLOC = BIT(4),