Re: [PATCH] iommu: Replace rcu_assign_pointer() with RCU_INIT_POINTER()

2014-08-19 Thread Joerg Roedel
On Mon, Aug 18, 2014 at 03:20:56PM +0300, Andreea-Cristina Bernat wrote: > 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_assi

[PATCH] iommu: Replace rcu_assign_pointer() with RCU_INIT_POINTER()

2014-08-18 Thread Andreea-Cristina Bernat
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 semanti