In rxe_pool.c copy remaining pool setup parameters from rxe_pool_info into
rxe_pool. This saves looking up rxe_pool_info in the performance path.
Signed-off-by: Bob Pearson <rpearsonhpe@xxxxxxxxx>
---
drivers/infiniband/sw/rxe/rxe_pool.c | 54 ++++++++++++----------------
drivers/infiniband/sw/rxe/rxe_pool.h | 6 ++--
2 files changed, 25 insertions(+), 35 deletions(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_pool.c b/drivers/infiniband/sw/rxe/rxe_pool.c
index 8138e459b6c1..86251145705f 100644
--- a/drivers/infiniband/sw/rxe/rxe_pool.c
+++ b/drivers/infiniband/sw/rxe/rxe_pool.c
@@ -7,9 +7,8 @@
#include "rxe.h"
#include "rxe_loc.h"
-/* info about object pools
- */
-struct rxe_type_info rxe_type_info[RXE_NUM_TYPES] = {
+/* info about object pools */
+static const struct rxe_type_info rxe_type_info[RXE_NUM_TYPES] = {
[RXE_TYPE_UC] = {
.name = "rxe-uc",
.size = sizeof(struct rxe_ucontext),
@@ -88,11 +87,6 @@ struct rxe_type_info rxe_type_info[RXE_NUM_TYPES] = {
},
};
-static inline const char *pool_name(struct rxe_pool *pool)
-{
- return rxe_type_info[pool->type].name;
-}
-
static int rxe_pool_init_index(struct rxe_pool *pool, u32 max, u32 min)
{
int err = 0;
@@ -127,35 +121,36 @@ int rxe_pool_init(
enum rxe_elem_type type,
unsigned int max_elem)
{
+ const struct rxe_type_info *info = &rxe_type_info[type];
int err = 0;
- size_t size = rxe_type_info[type].size;
memset(pool, 0, sizeof(*pool));
pool->rxe = rxe;
+ pool->name = info->name;
pool->type = type;
pool->max_elem = max_elem;
- pool->elem_size = ALIGN(size, RXE_POOL_ALIGN);
- pool->flags = rxe_type_info[type].flags;
+ pool->elem_size = ALIGN(info->size, RXE_POOL_ALIGN);
+ pool->elem_offset = info->elem_offset;
+ pool->flags = info->flags;
pool->index.tree = RB_ROOT;
pool->key.tree = RB_ROOT;
- pool->cleanup = rxe_type_info[type].cleanup;
+ pool->cleanup = info->cleanup;
atomic_set(&pool->num_elem, 0);
rwlock_init(&pool->pool_lock);
- if (rxe_type_info[type].flags & RXE_POOL_INDEX) {
- err = rxe_pool_init_index(pool,
- rxe_type_info[type].max_index,
- rxe_type_info[type].min_index);
+ if (info->flags & RXE_POOL_INDEX) {
+ err = rxe_pool_init_index(pool, info->max_index,
+ info->min_index);
if (err)
goto out;
}
- if (rxe_type_info[type].flags & RXE_POOL_KEY) {
- pool->key.key_offset = rxe_type_info[type].key_offset;
- pool->key.key_size = rxe_type_info[type].key_size;
+ if (info->flags & RXE_POOL_KEY) {
+ pool->key.key_offset = info->key_offset;
+ pool->key.key_size = info->key_size;
}
out:
@@ -166,7 +161,7 @@ void rxe_pool_cleanup(struct rxe_pool *pool)
{
if (atomic_read(&pool->num_elem) > 0)
pr_warn("%s pool destroyed with unfree'd elem\n",
- pool_name(pool));
+ pool->name);
kfree(pool->index.table);
}
@@ -329,18 +324,17 @@ void __rxe_drop_index(struct rxe_pool_entry *elem)
void *rxe_alloc_locked(struct rxe_pool *pool)
{
- struct rxe_type_info *info = &rxe_type_info[pool->type];
struct rxe_pool_entry *elem;
u8 *obj;
if (atomic_inc_return(&pool->num_elem) > pool->max_elem)
goto out_cnt;
- obj = kzalloc(info->size, GFP_ATOMIC);
+ obj = kzalloc(pool->elem_size, GFP_ATOMIC);
if (!obj)
goto out_cnt;
- elem = (struct rxe_pool_entry *)(obj + info->elem_offset);
+ elem = (struct rxe_pool_entry *)(obj + pool->elem_offset);
elem->pool = pool;
kref_init(&elem->ref_cnt);
@@ -354,7 +348,6 @@ void *rxe_alloc_locked(struct rxe_pool *pool)
void *rxe_alloc(struct rxe_pool *pool)
{
- struct rxe_type_info *info = &rxe_type_info[pool->type];
struct rxe_pool_entry *elem;
unsigned long flags;
u8 *obj;
@@ -364,14 +357,14 @@ void *rxe_alloc(struct rxe_pool *pool)
goto out_cnt;
write_unlock_irqrestore(&pool->pool_lock, flags);
- obj = kzalloc(info->size, GFP_KERNEL);
+ obj = kzalloc(pool->elem_size, GFP_KERNEL);
if (!obj) {
atomic_dec(&pool->num_elem);
return NULL;
}
write_lock_irqsave(&pool->pool_lock, flags);
- elem = (struct rxe_pool_entry *)(obj + info->elem_offset);
+ elem = (struct rxe_pool_entry *)(obj + pool->elem_offset);
elem->pool = pool;
kref_init(&elem->ref_cnt);
write_unlock_irqrestore(&pool->pool_lock, flags);
@@ -409,14 +402,13 @@ void rxe_elem_release(struct kref *kref)
struct rxe_pool_entry *elem =
container_of(kref, struct rxe_pool_entry, ref_cnt);
struct rxe_pool *pool = elem->pool;
- struct rxe_type_info *info = &rxe_type_info[pool->type];
u8 *obj;
if (pool->cleanup)
pool->cleanup(elem);
if (!(pool->flags & RXE_POOL_NO_ALLOC)) {
- obj = (u8 *)elem - info->elem_offset;
+ obj = (u8 *)elem - pool->elem_offset;
kfree(obj);
}
@@ -425,7 +417,6 @@ void rxe_elem_release(struct kref *kref)
void *rxe_pool_get_index_locked(struct rxe_pool *pool, u32 index)
{
- struct rxe_type_info *info = &rxe_type_info[pool->type];
struct rb_node *node;
struct rxe_pool_entry *elem;
u8 *obj;
@@ -445,7 +436,7 @@ void *rxe_pool_get_index_locked(struct rxe_pool *pool, u32 index)
if (node) {
kref_get(&elem->ref_cnt);
- obj = (u8 *)elem - info->elem_offset;
+ obj = (u8 *)elem - pool->elem_offset;
} else {
obj = NULL;
}
@@ -467,7 +458,6 @@ void *rxe_pool_get_index(struct rxe_pool *pool, u32 index)
void *rxe_pool_get_key_locked(struct rxe_pool *pool, void *key)
{
- struct rxe_type_info *info = &rxe_type_info[pool->type];
struct rb_node *node;
struct rxe_pool_entry *elem;
u8 *obj;
@@ -491,7 +481,7 @@ void *rxe_pool_get_key_locked(struct rxe_pool *pool, void *key)
if (node) {
kref_get(&elem->ref_cnt);
- obj = (u8 *)elem - info->elem_offset;
+ obj = (u8 *)elem - pool->elem_offset;
} else {
obj = NULL;
}
diff --git a/drivers/infiniband/sw/rxe/rxe_pool.h b/drivers/infiniband/sw/rxe/rxe_pool.h
index 1feca1bffced..fb10e0098415 100644
--- a/drivers/infiniband/sw/rxe/rxe_pool.h
+++ b/drivers/infiniband/sw/rxe/rxe_pool.h
@@ -44,8 +44,6 @@ struct rxe_type_info {
size_t key_size;
};
-extern struct rxe_type_info rxe_type_info[];
-
struct rxe_pool_entry {
struct rxe_pool *pool;
struct kref ref_cnt;
@@ -61,14 +59,16 @@ struct rxe_pool_entry {
struct rxe_pool {
struct rxe_dev *rxe;
+ const char *name;
rwlock_t pool_lock; /* protects pool add/del/search */
- size_t elem_size;
void (*cleanup)(struct rxe_pool_entry *obj);
enum rxe_pool_flags flags;
enum rxe_elem_type type;
unsigned int max_elem;
atomic_t num_elem;
+ size_t elem_size;
+ size_t elem_offset;
/* only used if indexed */
struct {
--
2.30.2
