netdev - Re: [PATCH net-next 2/2] bpf: Fix test_obj

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Message-Id: <20170609.151550.1632715464840609277.davem@davemloft.net>
Date:   Fri, 09 Jun 2017 15:15:50 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     kafai@...com
Cc:     netdev@...r.kernel.org, ast@...com, daniel@...earbox.net,
        yhs@...com, kernel-team@...com
Subject: Re: [PATCH net-next 2/2] bpf: Fix test_obj_id.c for llvm 5.0

From: Martin KaFai Lau <kafai@...com>
Date: Thu, 8 Jun 2017 22:30:17 -0700

> llvm 5.0 does not like the section name and the function name
> to be the same:
> 
> clang -I. -I./include/uapi -I../../../include/uapi \
> 	-I../../../../samples/bpf/ \
> 	-Wno-compare-distinct-pointer-types \
> 	-O2 -target bpf -c \
> 	linux/tools/testing/selftests/bpf/test_obj_id.c -o \
> 	linux/tools/testing/selftests/bpf/test_obj_id.o
> fatal error: error in backend: 'test_prog_id' label emitted multiple times to
> assembly file
> clang-5.0: error: clang frontend command failed with exit code 70 (use -v to
> see invocation)
> clang version 5.0.0 (trunk 304326) (llvm/trunk 304329)
> 
> This patch makes changes to the section name and the function name.
> 
> Fixes: 95b9afd3987f ("bpf: Test for bpf ID")
> Reported-by: Alexei Starovoitov <ast@...com>
> Reported-by: Yonghong Song <yhs@...com>
> Signed-off-by: Martin KaFai Lau <kafai@...com>

Applied.