percpu: READ_ONCE() now implies smp_read_barrier_depends()

Browse source

Because READ_ONCE() now implies smp_read_barrier_depends(), this commit
removes the now-redundant smp_read_barrier_depends() following the
READ_ONCE() in __ref_is_percpu().

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Tejun Heo <tj@kernel.org>
Cc: Christoph Lameter <cl@linux.com>

...

This commit is contained in:

Paul E. McKenney 2017-10-09 10:20:44 -07:00

parent 7088efa913

commit b393e8b33e

2 changed files with 7 additions and 7 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

8

lib/percpu-refcount.c

View file