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[dpdk-dev,[PATCH,v5] 2/5] compat: Add __rte_experimental macro

Message ID 20180122014807.24654-3-nhorman@tuxdriver.com (mailing list archive)
State Accepted, archived
Headers show


Context Check Description
ci/checkpatch warning coding style issues
ci/Intel-compilation fail apply patch file failure

Commit Message

Neil Horman Jan. 22, 2018, 1:48 a.m. UTC
The __rte_experimental macro tags a given exported function as being part of
the EXPERIMENTAL api.  Use of this tag will cause any caller of the
function (that isn't removed by dead code elimination) to emit a warning
that the user is making use of an API whos stabilty isn't guaranteed.
It also places the function in the .text.experimental section, which is
used to validate the tag against the corresponding library version map

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Thomas Monjalon <thomas@monjalon.net>
CC: "Mcnamara, John" <john.mcnamara@intel.com>
CC: Bruce Richardson <bruce.richardson@intel.com>
 lib/librte_compat/rte_compat.h | 11 +++++++++++
 1 file changed, 11 insertions(+)
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diff --git a/lib/librte_compat/rte_compat.h b/lib/librte_compat/rte_compat.h
index 41e8032ba..ad8f81ffe 100644
--- a/lib/librte_compat/rte_compat.h
+++ b/lib/librte_compat/rte_compat.h
@@ -101,5 +101,16 @@ 
+#define __rte_experimental \
+__attribute__((deprecated("Symbol is not yet part of stable ABI"), \
+#define __rte_experimental \
 #endif /* _RTE_COMPAT_H_ */