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selftests/bpf: add bpf_spin_lock C test

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add bpf_spin_lock C based test that requires latest llvm with BTF support

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Alexei Starovoitov
2019-01-31 15:40:08 -08:00
committed by Daniel Borkmann
parent b4d4556c32
commit ab963beb9f
4 changed files with 155 additions and 2 deletions
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4
tools/testing/selftests/bpf/bpf_helpers.h
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@@ -172,6 +172,10 @@ static int (*bpf_skb_vlan_pop)(void *ctx) =
(void *) BPF_FUNC_skb_vlan_pop;
static int (*bpf_rc_pointer_rel)(void *ctx, int rel_x, int rel_y) =
(void *) BPF_FUNC_rc_pointer_rel;
static void (*bpf_spin_lock)(struct bpf_spin_lock *lock) =
(void *) BPF_FUNC_spin_lock;
static void (*bpf_spin_unlock)(struct bpf_spin_lock *lock) =
(void *) BPF_FUNC_spin_unlock;
/* llvm builtin functions that eBPF C program may use to
* emit BPF_LD_ABS and BPF_LD_IND instructions