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(parent: 472a2ff) | patch
net: hns3: add barrier in vf mailbox reply process
authorYonglong Liu <liuyonglong@huawei.com>
Fri, 10 Nov 2023 09:37:08 +0000 (17:37 +0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 13 Nov 2023 09:06:58 +0000 (09:06 +0000)
commitac92c0a9a0603fb448e60f38e63302e4eebb8035
tree83a372eed95cec8572f679c935f18ee7c70bd86ftree | snapshot
parent472a2ff63efb30234cbf6b2cdaf8117f21b4f8bccommit | diff
net: hns3: add barrier in vf mailbox reply process

In hclgevf_mbx_handler() and hclgevf_get_mbx_resp() functions,
there is a typical store-store and load-load scenario between
received_resp and additional_info. This patch adds barrier
to fix the problem.

Fixes: 4671042f1ef0 ("net: hns3: add match_id to check mailbox response from PF to VF")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git