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libbpf: remove compile time warning from libbpf_util.h

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Having a helpful compile time warning in libbpf_util.h is not a good
idea since all warnings are treated as errors. Change this into a
comment in the code instead.

Fixes: b7e3a28019 ("libbpf: remove dependency on barrier.h in xsk.h")
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Magnus Karlsson 2019-04-18 09:21:10 +02:00 committed by Alexei Starovoitov
parent da70314917
commit 79b1b30e4c
1 changed files with 1 additions and 1 deletions
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tools/lib/bpf/libbpf_util.h
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@ -46,7 +46,7 @@ do { \
# define libbpf_smp_mb() asm volatile("dmb ish" : : : "memory")
# define libbpf_smp_rwmb() libbpf_smp_mb()
#else
# warning Architecture missing native barrier functions in libbpf_util.h.
/* Architecture missing native barrier functions. */
# define libbpf_smp_rmb() __sync_synchronize()
# define libbpf_smp_wmb() __sync_synchronize()
# define libbpf_smp_mb() __sync_synchronize()