diff options
| author | Heiner Kallweit <[email protected]> | 2020-10-29 18:56:06 +0100 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2020-10-31 16:35:49 -0700 |
| commit | 3a689e34973e8717cd57991c6fcf527dc56062b5 (patch) | |
| tree | ae1f5e03ced0bf1b5a32446a30944ac69818b7f9 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | c24672cf59b6f7da102833569fa8455132b2b8c2 (diff) | |
r8169: remove unneeded memory barrier in rtl_tx
tp->dirty_tx isn't changed outside rtl_tx(). Therefore I see no need
to guarantee a specific order of reading tp->dirty_tx and tp->cur_tx.
Having said that we can remove the memory barrier.
In addition use READ_ONCE() when reading tp->cur_tx because it can
change in parallel to rtl_tx().
Signed-off-by: Heiner Kallweit <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions