b6ec79518e
According to the LLVM commit (https://reviews.llvm.org/D72184), sync_fetch_and_sub() is implemented as a negation followed by sync_fetch_and_add(), so there will be no BPF_SUB op, thus just remove it. BPF_SUB is also rejected by the verifier anyway. Signed-off-by: Hou Tao <houtao1@huawei.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Brendan Jackman <jackmanb@google.com> Link: https://lore.kernel.org/bpf/20220127083240.1425481-1-houtao1@huawei.com |
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Makefile | ||
bpf_jit_comp.c | ||
bpf_jit_comp32.c |