From: Herbert Xu
Date: Tue, 28 May 2019 15:02:31 +0800
> This patch moves common code between rht_ptr and rht_ptr_exclusive
> into __rht_ptr. It also adds a new helper rht_ptr_rcu exclusively
> for the RCU case. This way rht_ptr becomes a lock-only construct
> so we can use the lighter rcu_dere
This patch moves common code between rht_ptr and rht_ptr_exclusive
into __rht_ptr. It also adds a new helper rht_ptr_rcu exclusively
for the RCU case. This way rht_ptr becomes a lock-only construct
so we can use the lighter rcu_dereference_protected primitive.
Signed-off-by: Herbert Xu
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