diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index c3b29061284e..312983bf7faa 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -488,6 +488,24 @@ struct bpf_func_info_aux {
 	bool unreliable;
 };
 
+enum bpf_jit_poke_reason {
+	BPF_POKE_REASON_TAIL_CALL,
+};
+
+/* Descriptor of pokes pointing /into/ the JITed image. */
+struct bpf_jit_poke_descriptor {
+	void *ip;
+	union {
+		struct {
+			struct bpf_map *map;
+			u32 key;
+		} tail_call;
+	};
+	bool ip_stable;
+	u8 adj_off;
+	u16 reason;
+};
+
 struct bpf_prog_aux {
 	atomic64_t refcnt;
 	u32 used_map_cnt;
@@ -513,6 +531,8 @@ struct bpf_prog_aux {
 	const char *attach_func_name;
 	struct bpf_prog **func;
 	void *jit_data; /* JIT specific data. arch dependent */
+	struct bpf_jit_poke_descriptor *poke_tab;
+	u32 size_poke_tab;
 	struct latch_tree_node ksym_tnode;
 	struct list_head ksym_lnode;
 	const struct bpf_prog_ops *ops;
diff --git a/include/linux/filter.h b/include/linux/filter.h
index ad80e9c6111c..796b60d8cc6c 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -952,6 +952,9 @@ void *bpf_jit_alloc_exec(unsigned long size);
 void bpf_jit_free_exec(void *addr);
 void bpf_jit_free(struct bpf_prog *fp);
 
+int bpf_jit_add_poke_descriptor(struct bpf_prog *prog,
+				struct bpf_jit_poke_descriptor *poke);
+
 int bpf_jit_get_func_addr(const struct bpf_prog *prog,
 			  const struct bpf_insn *insn, bool extra_pass,
 			  u64 *func_addr, bool *func_addr_fixed);
@@ -1055,6 +1058,13 @@ static inline bool bpf_prog_ebpf_jited(const struct bpf_prog *fp)
 	return false;
 }
 
+static inline int
+bpf_jit_add_poke_descriptor(struct bpf_prog *prog,
+			    struct bpf_jit_poke_descriptor *poke)
+{
+	return -ENOTSUPP;
+}
+
 static inline void bpf_jit_free(struct bpf_prog *fp)
 {
 	bpf_prog_unlock_free(fp);
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index 07af9c1d9cf1..608b7085e0c9 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -256,6 +256,7 @@ void __bpf_prog_free(struct bpf_prog *fp)
 {
 	if (fp->aux) {
 		free_percpu(fp->aux->stats);
+		kfree(fp->aux->poke_tab);
 		kfree(fp->aux);
 	}
 	vfree(fp);
@@ -756,6 +757,39 @@ int bpf_get_kallsym(unsigned int symnum, unsigned long *value, char *type,
 	return ret;
 }
 
+int bpf_jit_add_poke_descriptor(struct bpf_prog *prog,
+				struct bpf_jit_poke_descriptor *poke)
+{
+	struct bpf_jit_poke_descriptor *tab = prog->aux->poke_tab;
+	static const u32 poke_tab_max = 1024;
+	u32 slot = prog->aux->size_poke_tab;
+	u32 size = slot + 1;
+
+	if (size > poke_tab_max)
+		return -ENOSPC;
+	if (poke->ip || poke->ip_stable || poke->adj_off)
+		return -EINVAL;
+
+	switch (poke->reason) {
+	case BPF_POKE_REASON_TAIL_CALL:
+		if (!poke->tail_call.map)
+			return -EINVAL;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	tab = krealloc(tab, size * sizeof(*poke), GFP_KERNEL);
+	if (!tab)
+		return -ENOMEM;
+
+	memcpy(&tab[slot], poke, sizeof(*poke));
+	prog->aux->size_poke_tab = size;
+	prog->aux->poke_tab = tab;
+
+	return slot;
+}
+
 static atomic_long_t bpf_jit_current;
 
 /* Can be overridden by an arch's JIT compiler if it has a custom,