diff options
| author |   Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-10-09 11:22:50 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-12-04 10:52:55 -0800 |
| commit | 548095dea63ffc016d39c35b32c628d033638aca (patch) | |
| tree | 33c562914bcb3f6d3441afc961c1007e89c769f4 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | uprobes: Remove now-redundant smp_read_barrier_depends() (diff) | |
| download | wireguard-linux-548095dea63ffc016d39c35b32c628d033638aca.tar.xz wireguard-linux-548095dea63ffc016d39c35b32c628d033638aca.zip | |
locking: Remove smp_read_barrier_depends() from queued_spin_lock_slowpath()
Queued spinlocks are not used by DEC Alpha, and furthermore operations
such as READ_ONCE() and release/relaxed RMW atomics are being changed
to imply smp_read_barrier_depends(). This commit therefore removes the
now-redundant smp_read_barrier_depends() from queued_spin_lock_slowpath(),
and adjusts the comments accordingly.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions