On 14/05/2020 12:52, Ferruh Yigit wrote:
> On v20.02 some meter APIs have been matured and symbols moved from
> EXPERIMENTAL to DPDK_20.0.1 block.
>
> This can break the applications that were using these mentioned APIs on
> v19.11. Although there is no modification on the APIs and the action is
> positive and matures the APIs, the affect can be negative to
> applications.
>
> Since experimental APIs can change or go away without notice as part of
> contract, to prevent this negative affect that may occur by maturing
> experimental API, a process update already suggested, which enables
> aliasing without forcing it:
> https://patches.dpdk.org/patch/65863/
>
> This patch provides aliasing by duplicating the existing and versioned
> symbols as experimental.
>
> Since symbols moved from DPDK_20.0.1 to DPDK_21 block in the v20.05, the
> aliasing done between EXPERIMENTAL and DPDK_21.
>
> Also following changes done to enabling aliasing:
>
> Created VERSION_SYMBOL_EXPERIMENTAL helper macro.
>
> Updated the 'check-experimental-syms.sh' buildtool, which was
> complaining that the symbol is in EXPERIMENTAL tag in .map file but it
> is not in the .experimental section (__rte_experimental tag is missing).
> Updated tool in a way it won't complain if the symbol in the
> EXPERIMENTAL tag duplicated in some other block in .map file (versioned)
>
> Enabled function versioning for meson build for the library.
>
> Fixes: 30512af820fe ("meter: remove experimental flag from RFC4115 trTCM API")
> Cc: [email protected]
>
> Signed-off-by: Ferruh Yigit <[email protected]>
> ---
> Cc: Neil Horman <[email protected]>
> Cc: Thomas Monjalon <[email protected]>
> Cc: Luca Boccassi <[email protected]>
> Cc: David Marchand <[email protected]>
> Cc: Bruce Richardson <[email protected]>
> Cc: Ian Stokes <[email protected]>
> Cc: Eelco Chaudron <[email protected]>
> Cc: Andrzej Ostruszka <[email protected]>
> Cc: Ray Kinsella <[email protected]>
>
> v2:
> * Commit log updated
>
> v3:
> * added suggested comment to VERSION_SYMBOL_EXPERIMENTAL macro
> ---
[SNIP]
>
Acked-by: Ray Kinsella
