diff options
| -rw-r--r-- | include/linux/bpf.h | 19 | ||||
| -rw-r--r-- | kernel/bpf/dispatcher.c | 1 |
2 files changed, 13 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) \ diff --git a/kernel/bpf/dispatcher.c b/kernel/bpf/dispatcher.c index b3e5b214fed8..a2679bae9e73 100644 --- a/kernel/bpf/dispatcher.c +++ b/kernel/bpf/dispatcher.c @@ -143,6 +143,7 @@ void bpf_dispatcher_change_prog(struct bpf_dispatcher *d, struct bpf_prog *from, d->image = bpf_image_alloc(); if (!d->image) goto out; + bpf_image_ksym_add(d->image, &d->ksym); } prev_num_progs = d->num_progs; |