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a48a43884c
Recently, when compiling bpf selftests on RV64, the following
compilation failure occurred:
progs/bpf_dctcp.c:29:21: error: redefinition of 'fallback' as different kind of symbol
29 | volatile const char fallback[TCP_CA_NAME_MAX];
| ^
/workspace/tools/testing/selftests/bpf/tools/include/vmlinux.h:86812:15: note: previous definition is here
86812 | typedef u32 (*fallback)(u32, const unsigned char *, size_t);
The reason is that the `fallback` symbol has been defined in
arch/riscv/lib/crc32.c, which will cause symbol conflicts when vmlinux.h
is included in bpf_dctcp. Let we rename `fallback` string to
`fallback_cc` in bpf_dctcp to fix this compilation failure.
Signed-off-by: Pu Lehui <pulehui@huawei.com>
Link: https://lore.kernel.org/r/20240905081401.1894789-3-pulehui@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Linux kernel
============
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