From: Martin KaFai Lau
Date: Tue, 15 Sep 2015 14:30:04 -0700
> v4:
> - Fix a compilation error in patch 5 when CONFIG_LOCKDEP is turned on and
> re-test it
>
> v3:
> - Merge a 'if else if' test in patch 4
> - Use rcu_dereference_protected in patch 5 to fix a sparse check when
>
v4:
- Fix a compilation error in patch 5 when CONFIG_LOCKDEP is turned on and
re-test it
v3:
- Merge a 'if else if' test in patch 4
- Use rcu_dereference_protected in patch 5 to fix a sparse check when
CONFIG_SPARSE_RCU_POINTER is enabled
v2:
- Add patch 4 and 5 to remove the spinlock
v1: