Re: [dpdk-dev] [PATCH V7 3/3] ring: introduce new header file to support C11 memory model

[Thomas Monjalon <thomas@monjalon.net>]

Hi,
Please find few comments.
Sorry for the late review.
We need also to get the acknowledgement from Olivier.

04/12/2017 02:50, Jia He:
> --- a/config/common_armv8a_linuxapp
> +++ b/config/common_armv8a_linuxapp
> @@ -49,3 +49,5 @@ CONFIG_RTE_LIBRTE_SFC_EFX_PMD=n
>  CONFIG_RTE_LIBRTE_AVP_PMD=n
>  
>  CONFIG_RTE_SCHED_VECTOR=n
> +
> +CONFIG_RTE_RING_USE_C11_MEM_MODEL=y

This config option should be added in the common file (as disabled).

> --- /dev/null
> +++ b/lib/librte_ring/rte_ring_c11_mem.h
> @@ -0,0 +1,186 @@
> +/*-
> + *   BSD LICENSE
> + *
> + *   Copyright(c) 2017 hxt-semitech. All rights reserved.
> + *
> + *   Redistribution and use in source and binary forms, with or without
> + *   modification, are permitted provided that the following conditions
> + *   are met:
> + *
> + *     * Redistributions of source code must retain the above copyright
> + *       notice, this list of conditions and the following disclaimer.
> + *     * Redistributions in binary form must reproduce the above copyright
> + *       notice, this list of conditions and the following disclaimer in
> + *       the documentation and/or other materials provided with the
> + *       distribution.
> + *     * Neither the name of hxt-semitech nor the names of its
> + *       contributors may be used to endorse or promote products derived
> + *       from this software without specific prior written permission.
> + *
> + *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> + *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> + *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> + *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> + *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> + *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> + *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + */

If you have to spin a v8, please use SPDX tag for the license.