[dpdk-dev] [PATCH 1/7] Split atomic operations to architecture specific

[Bruce Richardson]

On Fri, Sep 26, 2014 at 05:33:32AM -0400, Chao Zhu wrote:
> This patch splits the atomic operations from DPDK and push them to
> architecture specific arch directories, so that other processor
> architecture to support DPDK can be easily adopted.
> 
> Signed-off-by: Chao Zhu <bjzhuc at cn.ibm.com>
> ---
>  lib/librte_eal/common/Makefile                     |    2 +-
>  .../common/include/i686/arch/rte_atomic_arch.h     |  378 ++++++++++++++++++++
>  lib/librte_eal/common/include/rte_atomic.h         |  172 +--------
>  .../common/include/x86_64/arch/rte_atomic_arch.h   |  378 ++++++++++++++++++++
>  4 files changed, 772 insertions(+), 158 deletions(-)
>  create mode 100644 lib/librte_eal/common/include/i686/arch/rte_atomic_arch.h
>  create mode 100644 lib/librte_eal/common/include/x86_64/arch/rte_atomic_arch.h
> 
<...snip...>
> +#define	rte_compiler_barrier() rte_arch_compiler_barrier()

Small question: shouldn't the compiler barrier be independent of 
architecture?

/Bruce