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 | 49 ++++++++++++---------------- drivers/infiniband/sw/rxe/rxe_pool.h | 6 ++-- 2 files changed, 23 insertions(+), 32 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe_pool.c b/drivers/infiniband/sw/rxe/rxe_pool.c index 6553ea160d4f..7250c40037b5 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); @@ -384,14 +378,13 @@ 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); } @@ -400,7 +393,6 @@ 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; @@ -420,7 +412,7 @@ 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; } @@ -442,7 +434,6 @@ 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; @@ -466,7 +457,7 @@ 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