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| author | Andreea-Cristina Bernat <bernat.ada@gmail.com> | 2014-08-22 10:15:36 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-09-09 00:53:04 -0400 |
| commit | e0455e194a5e0cf49bc7596a20d4f7e47995b9c6 (patch) | |
| tree | 345bbec58cd7b2efcaf9752b7879f75229a7e950 /block/blk-cgroup.c | |
| parent | bdea534db894ea19320f470ce2e63b1d9de96a15 (diff) | |
perf/callchain: Replace rcu_assign_pointer() with RCU_INIT_POINTER()
The use of "rcu_assign_pointer()" is NULLing out the pointer.
According to RCU_INIT_POINTER()'s block comment:
"1. This use of RCU_INIT_POINTER() is NULLing out the pointer"
it is better to use it instead of rcu_assign_pointer() because it has a
smaller overhead.
The following Coccinelle semantic patch was used:
@@
@@
- rcu_assign_pointer
+ RCU_INIT_POINTER
(..., NULL)
Signed-off-by: Andreea-Cristina Bernat <bernat.ada@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: paulmck@linux.vnet.ibm.com
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Link: http://lkml.kernel.org/r/20140822141536.GA32051@ada
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'block/blk-cgroup.c')
0 files changed, 0 insertions, 0 deletions