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ibmvnic: Remove duplicate memory barriers in tx

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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>
This commit is contained in:
Nick Child 2024-08-07 16:18:06 -05:00 committed by Jakub Kicinski
parent d95f749a0b
commit 6e7a57581a
1 changed files with 0 additions and 3 deletions
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3
drivers/net/ethernet/ibm/ibmvnic.c
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@ -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;