[PATCH net-next v2 6/8] ibmvnic: add comments for spinlock_t definitions
From: Lijun Pan <hidden>
Date: 2021-02-11 06:45:44
Subsystem:
ibm power sriov virtual nic device driver, linux for powerpc (32-bit and 64-bit), networking drivers, the rest · Maintainers:
Haren Myneni, Rick Lindsley, Madhavan Srinivasan, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
There are several spinlock_t definitions without comments. Add them. Signed-off-by: Lijun Pan <redacted> Reviewed-by: Saeed Mahameed <saeedm@nvidia.com> --- drivers/net/ethernet/ibm/ibmvnic.h | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h
index c09c3f6bba9f..8f73a30a7593 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.h
+++ b/drivers/net/ethernet/ibm/ibmvnic.h@@ -845,6 +845,7 @@ struct ibmvnic_crq_queue { union ibmvnic_crq *msgs; int size, cur; dma_addr_t msg_token; + /* Used for serialization of msgs, cur */ spinlock_t lock; bool active; char name[32];
@@ -876,6 +877,7 @@ struct ibmvnic_sub_crq_queue { unsigned int irq; unsigned int pool_index; int scrq_num; + /* Used for serialization of msgs, cur */ spinlock_t lock; struct sk_buff *rx_skb_top; struct ibmvnic_adapter *adapter;
@@ -1080,9 +1082,12 @@ struct ibmvnic_adapter { struct tasklet_struct tasklet; enum vnic_state state; + /* Used for serializatin of state field */ + spinlock_t state_lock; enum ibmvnic_reset_reason reset_reason; - spinlock_t rwi_lock; struct list_head rwi_list; + /* Used for serialization of rwi_list */ + spinlock_t rwi_lock; struct work_struct ibmvnic_reset; struct delayed_work ibmvnic_delayed_reset; unsigned long resetting;
@@ -1096,7 +1101,4 @@ struct ibmvnic_adapter { struct ibmvnic_tunables desired; struct ibmvnic_tunables fallback; - - /* Used for serializatin of state field */ - spinlock_t state_lock; };
--
2.23.0