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| author | Somnath Kotur <somnath.kotur@broadcom.com> | 2017-11-06 19:07:29 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-11-13 23:53:57 +0300 |
| commit | 9b40183c08e48f1d26d06d39f29808c9c6037561 (patch) | |
| tree | 377a0f40b396d2b98a65ae0c2c7979527576b1bd /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | 685894dd9bd03b92803fbc72565789713f067d4c (diff) | |
| download | linux-9b40183c08e48f1d26d06d39f29808c9c6037561.tar.xz | |
RDMA/bnxt_re: Add memory barriers when processing CQ/EQ entries
The code determines if the next ring entry is valid before proceeding
further to read the rest of the entry. The CPU can re-order and read
the rest of the entry first, possibly reading a stale entry, if DMA
of a new entry happens right after reading it.
Signed-off-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions