Add likely/unlikely compiler hints to optimize conditional logic
Signed-off-by: Shai Brandes <[email protected]>
Reviewed-by: Amit Bernstein <[email protected]>
Reviewed-by: Yosef Raisman <[email protected]>
---
drivers/net/ena/base/ena_eth_com.c | 4 ++--
drivers/net/ena/base/ena_eth_com.h | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ena/base/ena_eth_com.c
b/drivers/net/ena/base/ena_eth_com.c
index 653df389c4..8a019b3451 100644
--- a/drivers/net/ena/base/ena_eth_com.c
+++ b/drivers/net/ena/base/ena_eth_com.c
@@ -241,7 +241,7 @@ static void *get_tx_sq_desc(struct ena_com_io_sq *io_sq)
{
void *tx_desc;
- if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
+ if (likely(io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV))
return get_sq_desc_llq(io_sq);
tx_desc = get_sq_desc_regular_queue(io_sq);
@@ -291,7 +291,7 @@ static int ena_com_sq_update_reqular_queue_tail(struct
ena_com_io_sq *io_sq)
static int ena_com_sq_update_tail(struct ena_com_io_sq *io_sq)
{
- if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
+ if (likely(io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV))
return ena_com_sq_update_llq_tail(io_sq);
return ena_com_sq_update_reqular_queue_tail(io_sq);
diff --git a/drivers/net/ena/base/ena_eth_com.h
b/drivers/net/ena/base/ena_eth_com.h
index f25e26840d..1fc92ffb55 100644
--- a/drivers/net/ena/base/ena_eth_com.h
+++ b/drivers/net/ena/base/ena_eth_com.h
@@ -110,7 +110,7 @@ static inline bool ena_com_sq_have_enough_space(struct
ena_com_io_sq *io_sq,
{
int temp;
- if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST)
+ if (unlikely(io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST))
return ena_com_free_q_entries(io_sq) >= required_buffers;
/* This calculation doesn't need to be 100% accurate. So to reduce
--
2.17.1
