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| author | Lijun Pan <ljp@linux.ibm.com> | 2021-02-12 20:48:40 -0600 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-02-15 15:12:01 -0800 |
| commit | 42557dab78edc8235aba5b441f2eb35f725a0ede (patch) | |
| tree | 541a4ac1dd6d1511cbedec2097441f70607c4cf8 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 7ce189faa7d990f89d36603627ab89588e4218a5 (diff) | |
ibmvnic: add memory barrier to protect long term buffer
dma_rmb() barrier is added to load the long term buffer before copying
it to socket buffer; and dma_wmb() barrier is added to update the
long term buffer before it being accessed by VIOS (virtual i/o server).
Fixes: 032c5e82847a ("Driver for IBM System i/p VNIC protocol")
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Acked-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions