[dpdk-dev] [PATCH v4 3/3] doc: update deprecation of CIO barrier APIs

[David Christensen]

On 7/6/20 4:43 PM, Honnappa Nagarahalli wrote:
> rte_cio_*mb APIs will be deprecated in 20.11 release.
> 
> Signed-off-by: Honnappa Nagarahalli <honnappa.nagarahalli at arm.com>
> Acked-by: Jerin Jacob <jerinj at marvell.com>
> ---
>   doc/guides/rel_notes/deprecation.rst | 6 ++++++
>   1 file changed, 6 insertions(+)
> 
> diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
> index d1034f60f..59656da3d 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -40,6 +40,12 @@ Deprecation Notices
>     These wrappers must be used for patches that need to be merged in 20.08
>     onwards. This change will not introduce any performance degradation.
> 
> +* rte_cio_*mb: Since the IO barriers for ArmV8-a platforms are relaxed from DSB
> +  to DMB, rte_cio_*mb APIs provide the same functionality as rte_io_*mb
> +  APIs(taking all platforms into consideration). rte_io_*mb APIs should be used
> +  in the place of rte_cio_*mb APIs. The rte_cio_*mb APIs will be deprecated in
> +  20.11 release.
> +

No difference between rte_cio_* and rte_io_* macros on PPC.

Reviewed-by: David Christensen <drc at linux.vnet.ibm.com>