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08:28:52 +0000 To: David Marchand , CC: , , Neil Horman References: <20191125081007.12396-1-david.marchand@redhat.com> <20191125081007.12396-2-david.marchand@redhat.com> From: Andrew Rybchenko Autocrypt: addr=arybchenko@solarflare.com; keydata= mQINBF2681gBEACbdTxu8eLL3UX2oAelsnK9GkeaJeUYSOHPJQpV7RL/iaIskqTwBRnhjXt7 j9UEwGA+omnOmqQMpeQTb/F9Ma2dYE+Hw4/t/1KVjxr3ehFaASvwR4fWJfO4e2l/Rk4rG6Yi 5r6CWU2y8su2654Fr8KFc+cMGOAgKoZTZHZsRy5lHpMlemeF+VZkv8L5sYJWPnsypgqlCG3h v6lbtfZs+QqYbFH6bqoZwBAl5irmxywGR7ZJr1GLUZZ1lfdazSY8r6Vz0/Ip/KVxGu2uxo81 QCsAj0ZsQtwji9Sds/prTiPrIjx8Fc/tfbnAuVuPcnPbczwCJACzQr4q26XATL3kVuZhSBWh 4XfO/EAUuEq5AemUG5DDTM87g7Lp4eT9gMZB6P+rJwWPNWTiV3L7Cn+fO+l9mTPnOqdzBgDe OaulKiNSft1o0DY4bGzOmM2ad2cZt0jfnbMPMTE9zsr6+RFa+M8Ct20o6U1MUE4vP6veErMK of4kZ8PdoMM+Sq1hxMPNtlcVBSP9xMmdSZPlfDYI5VWosOceEcz7XZdjBJKdwKuz70V7eac4 ITSxgNFCTbeJ03zL2MR5s0IvD9ghISAwZ6ieCjU5UATn5+63qpD0nVNLsAdb/UpfvQcKAmvj 0fKlxu/PMVkjBa7/4cfNogYOhWDKUO+1pMaFwvb6/XTo6uMpfQARAQABtCxBbmRyZXcgUnli 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1574670540-r30Bxz5mMIje Subject: Re: [dpdk-dev] [PATCH 2/2] buildtools: fix build with coverage enabled X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 11/25/19 11:10 AM, David Marchand wrote: > A compiler can reuse a variable name and prefix it when instrumenting > with coverage. > > Example: > $ make defconfig T=x86_64-native-linux-gcc O=master > $ make EXTRA_CFLAGS='--coverage' O=master > [...] > CC rte_flow.o > rte_flow_dynf_metadata_offs is not flagged as experimental but is listed > in version map > Please add __rte_experimental to the definition of > rte_flow_dynf_metadata_offs > > $ objdump -t master/build/lib/librte_ethdev/rte_flow.o |grep _offs$ > 0000000000000000 l F .text.startup 000000000000000a > _GLOBAL__sub_I_65535_0_rte_flow_dynf_metadata_offs > 0000000000000620 g O .data 0000000000000004 > rte_flow_dynf_metadata_offs > > Protect against this by adding a space character in the pattern. > > Fixes: a4bcd61de82d ("buildtools: add script to check experimental API exports") > Cc: stable@dpdk.org > > Reported-by: Andrew Rybchenko > Signed-off-by: David Marchand David, thanks a lot, it solves build problem. It does not solve experimental symbol inconsistency problem in markup and map file, but it is a separate less critical problem. Tested-by: Andrew Rybchenko