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authorVadim Lomovtsev <vlomovtsev@marvell.com>2019-02-20 11:02:44 +0000
committerDavid S. Miller <davem@davemloft.net>2019-02-22 11:43:45 -0800
commit609ea65c65a0f801c285abf524d36d1f4635d942 (patch)
tree442d6d2cd438caea558fb11abdb9839f83457b9c /mm
parent5354439612894033e3f3b934f0bc03afb5f4ddc5 (diff)
net: thunderx: add mutex to protect mailbox from concurrent calls for same VF
In some cases it could happen that nicvf_send_msg_to_pf() could be called concurrently for the same NIC VF, and thus re-writing mailbox contents and breaking messaging sequence with PF by re-writing NICVF data. This commit is to implement mutex for NICVF to protect mailbox registers and NICVF messaging control data from concurrent access. Signed-off-by: Vadim Lomovtsev <vlomovtsev@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'mm')
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