diff options
| author |   Jiri Olsa <jolsa@kernel.org> | 2020-03-12 20:56:06 +0100 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2020-03-13 12:49:52 -0700 |
| commit | 517b75e44c7be9c776aa5f7beaa85baff3868f80 (patch) | |
| tree | 8f828afe30f143a9467428a04f77d751f6dcb60f /include | |
| parent | bpf: Add trampolines to kallsyms (diff) | |
| download | wireguard-linux-517b75e44c7be9c776aa5f7beaa85baff3868f80.tar.xz wireguard-linux-517b75e44c7be9c776aa5f7beaa85baff3868f80.zip | |
bpf: Add dispatchers to kallsyms
Adding dispatchers to kallsyms. It's displayed as
bpf_dispatcher_<NAME>
where NAME is the name of dispatcher.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200312195610.346362-12-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/bpf.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 083860be1944..86cacb54ba23 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -531,6 +531,7 @@ struct bpf_dispatcher { int num_progs; void *image; u32 image_off; + struct bpf_ksym ksym; }; static __always_inline unsigned int bpf_dispatcher_nop_func( @@ -546,13 +547,17 @@ struct bpf_trampoline *bpf_trampoline_lookup(u64 key); int bpf_trampoline_link_prog(struct bpf_prog *prog); int bpf_trampoline_unlink_prog(struct bpf_prog *prog); void bpf_trampoline_put(struct bpf_trampoline *tr); -#define BPF_DISPATCHER_INIT(name) { \ - .mutex = __MUTEX_INITIALIZER(name.mutex), \ - .func = &name##_func, \ - .progs = {}, \ - .num_progs = 0, \ - .image = NULL, \ - .image_off = 0 \ +#define BPF_DISPATCHER_INIT(_name) { \ + .mutex = __MUTEX_INITIALIZER(_name.mutex), \ + .func = &_name##_func, \ + .progs = {}, \ + .num_progs = 0, \ + .image = NULL, \ + .image_off = 0, \ + .ksym = { \ + .name = #_name, \ + .lnode = LIST_HEAD_INIT(_name.ksym.lnode), \ + }, \ } #define DEFINE_BPF_DISPATCHER(name) \ |