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authorNick Child <nnac123@linux.ibm.com>2024-08-07 16:18:06 -0500
committerJakub Kicinski <kuba@kernel.org>2024-08-09 22:09:18 -0700
commit6e7a57581abea5335cbf29d738724d25d3c302d7 (patch)
tree3f45566b14a6efcb36e6f0307e707db1e723e14a /drivers/net/ethernet/ibm/ibmvnic.c
parentd95f749a0b5e42a30d7025d19c15a11c1a570e72 (diff)
ibmvnic: Remove duplicate memory barriers in tx
send_subcrq_[in]direct() already has a dma memory barrier. Remove the earlier one. Signed-off-by: Nick Child <nnac123@linux.ibm.com> Link: https://patch.msgid.link/20240807211809.1259563-5-nnac123@linux.ibm.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/ibm/ibmvnic.c')
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 58a517ecbda3..256feac588ef 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -2459,9 +2459,6 @@ static netdev_tx_t ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev)
skb_copy_from_linear_data(skb, dst, skb->len);
}
- /* post changes to long_term_buff *dst before VIOS accessing it */
- dma_wmb();
-
tx_pool->consumer_index =
(tx_pool->consumer_index + 1) % tx_pool->num_buffers;