1 files changed, 0 insertions, 674 deletions
diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
deleted file mode 100644
index 39ad96a18123..000000000000
--- a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
+++ /dev/null
@@ -1,674 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2020 Facebook */
-#include <linux/bpf.h>
-#include <linux/btf.h>
-#include <linux/btf_ids.h>
-#include <linux/delay.h>
-#include <linux/error-injection.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/percpu-defs.h>
-#include <linux/sysfs.h>
-#include <linux/tracepoint.h>
-#include "bpf_testmod.h"
-#include "bpf_testmod_kfunc.h"
-
-#define CREATE_TRACE_POINTS
-#include "bpf_testmod-events.h"
-
-typedef int (*func_proto_typedef)(long);
-typedef int (*func_proto_typedef_nested1)(func_proto_typedef);
-typedef int (*func_proto_typedef_nested2)(func_proto_typedef_nested1);
-
-DEFINE_PER_CPU(int, bpf_testmod_ksym_percpu) = 123;
-long bpf_testmod_test_struct_arg_result;
-
-struct bpf_testmod_struct_arg_1 {
-	int a;
-};
-struct bpf_testmod_struct_arg_2 {
-	long a;
-	long b;
-};
-
-struct bpf_testmod_struct_arg_3 {
-	int a;
-	int b[];
-};
-
-struct bpf_testmod_struct_arg_4 {
-	u64 a;
-	int b;
-};
-
-__bpf_hook_start();
-
-noinline int
-bpf_testmod_test_struct_arg_1(struct bpf_testmod_struct_arg_2 a, int b, int c) {
-	bpf_testmod_test_struct_arg_result = a.a + a.b  + b + c;
-	return bpf_testmod_test_struct_arg_result;
-}
-
-noinline int
-bpf_testmod_test_struct_arg_2(int a, struct bpf_testmod_struct_arg_2 b, int c) {
-	bpf_testmod_test_struct_arg_result = a + b.a + b.b + c;
-	return bpf_testmod_test_struct_arg_result;
-}
-
-noinline int
-bpf_testmod_test_struct_arg_3(int a, int b, struct bpf_testmod_struct_arg_2 c) {
-	bpf_testmod_test_struct_arg_result = a + b + c.a + c.b;
-	return bpf_testmod_test_struct_arg_result;
-}
-
-noinline int
-bpf_testmod_test_struct_arg_4(struct bpf_testmod_struct_arg_1 a, int b,
-			      int c, int d, struct bpf_testmod_struct_arg_2 e) {
-	bpf_testmod_test_struct_arg_result = a.a + b + c + d + e.a + e.b;
-	return bpf_testmod_test_struct_arg_result;
-}
-
-noinline int
-bpf_testmod_test_struct_arg_5(void) {
-	bpf_testmod_test_struct_arg_result = 1;
-	return bpf_testmod_test_struct_arg_result;
-}
-
-noinline int
-bpf_testmod_test_struct_arg_6(struct bpf_testmod_struct_arg_3 *a) {
-	bpf_testmod_test_struct_arg_result = a->b[0];
-	return bpf_testmod_test_struct_arg_result;
-}
-
-noinline int
-bpf_testmod_test_struct_arg_7(u64 a, void *b, short c, int d, void *e,
-			      struct bpf_testmod_struct_arg_4 f)
-{
-	bpf_testmod_test_struct_arg_result = a + (long)b + c + d +
-		(long)e + f.a + f.b;
-	return bpf_testmod_test_struct_arg_result;
-}
-
-noinline int
-bpf_testmod_test_struct_arg_8(u64 a, void *b, short c, int d, void *e,
-			      struct bpf_testmod_struct_arg_4 f, int g)
-{
-	bpf_testmod_test_struct_arg_result = a + (long)b + c + d +
-		(long)e + f.a + f.b + g;
-	return bpf_testmod_test_struct_arg_result;
-}
-
-noinline int
-bpf_testmod_test_arg_ptr_to_struct(struct bpf_testmod_struct_arg_1 *a) {
-	bpf_testmod_test_struct_arg_result = a->a;
-	return bpf_testmod_test_struct_arg_result;
-}
-
-__bpf_kfunc void
-bpf_testmod_test_mod_kfunc(int i)
-{
-	*(int *)this_cpu_ptr(&bpf_testmod_ksym_percpu) = i;
-}
-
-__bpf_kfunc int bpf_iter_testmod_seq_new(struct bpf_iter_testmod_seq *it, s64 value, int cnt)
-{
-	if (cnt < 0) {
-		it->cnt = 0;
-		return -EINVAL;
-	}
-
-	it->value = value;
-	it->cnt = cnt;
-
-	return 0;
-}
-
-__bpf_kfunc s64 *bpf_iter_testmod_seq_next(struct bpf_iter_testmod_seq* it)
-{
-	if (it->cnt <= 0)
-		return NULL;
-
-	it->cnt--;
-
-	return &it->value;
-}
-
-__bpf_kfunc void bpf_iter_testmod_seq_destroy(struct bpf_iter_testmod_seq *it)
-{
-	it->cnt = 0;
-}
-
-__bpf_kfunc void bpf_kfunc_common_test(void)
-{
-}
-
-struct bpf_testmod_btf_type_tag_1 {
-	int a;
-};
-
-struct bpf_testmod_btf_type_tag_2 {
-	struct bpf_testmod_btf_type_tag_1 __user *p;
-};
-
-struct bpf_testmod_btf_type_tag_3 {
-	struct bpf_testmod_btf_type_tag_1 __percpu *p;
-};
-
-noinline int
-bpf_testmod_test_btf_type_tag_user_1(struct bpf_testmod_btf_type_tag_1 __user *arg) {
-	BTF_TYPE_EMIT(func_proto_typedef);
-	BTF_TYPE_EMIT(func_proto_typedef_nested1);
-	BTF_TYPE_EMIT(func_proto_typedef_nested2);
-	return arg->a;
-}
-
-noinline int
-bpf_testmod_test_btf_type_tag_user_2(struct bpf_testmod_btf_type_tag_2 *arg) {
-	return arg->p->a;
-}
-
-noinline int
-bpf_testmod_test_btf_type_tag_percpu_1(struct bpf_testmod_btf_type_tag_1 __percpu *arg) {
-	return arg->a;
-}
-
-noinline int
-bpf_testmod_test_btf_type_tag_percpu_2(struct bpf_testmod_btf_type_tag_3 *arg) {
-	return arg->p->a;
-}
-
-noinline int bpf_testmod_loop_test(int n)
-{
-	/* Make sum volatile, so smart compilers, such as clang, will not
-	 * optimize the code by removing the loop.
-	 */
-	volatile int sum = 0;
-	int i;
-
-	/* the primary goal of this test is to test LBR. Create a lot of
-	 * branches in the function, so we can catch it easily.
-	 */
-	for (i = 0; i < n; i++)
-		sum += i;
-	return sum;
-}
-
-__weak noinline struct file *bpf_testmod_return_ptr(int arg)
-{
-	static struct file f = {};
-
-	switch (arg) {
-	case 1: return (void *)EINVAL;		/* user addr */
-	case 2: return (void *)0xcafe4a11;	/* user addr */
-	case 3: return (void *)-EINVAL;		/* canonical, but invalid */
-	case 4: return (void *)(1ull << 60);	/* non-canonical and invalid */
-	case 5: return (void *)~(1ull << 30);	/* trigger extable */
-	case 6: return &f;			/* valid addr */
-	case 7: return (void *)((long)&f | 1);	/* kernel tricks */
-	default: return NULL;
-	}
-}
-
-noinline int bpf_testmod_fentry_test1(int a)
-{
-	return a + 1;
-}
-
-noinline int bpf_testmod_fentry_test2(int a, u64 b)
-{
-	return a + b;
-}
-
-noinline int bpf_testmod_fentry_test3(char a, int b, u64 c)
-{
-	return a + b + c;
-}
-
-noinline int bpf_testmod_fentry_test7(u64 a, void *b, short c, int d,
-				      void *e, char f, int g)
-{
-	return a + (long)b + c + d + (long)e + f + g;
-}
-
-noinline int bpf_testmod_fentry_test11(u64 a, void *b, short c, int d,
-				       void *e, char f, int g,
-				       unsigned int h, long i, __u64 j,
-				       unsigned long k)
-{
-	return a + (long)b + c + d + (long)e + f + g + h + i + j + k;
-}
-
-int bpf_testmod_fentry_ok;
-
-noinline ssize_t
-bpf_testmod_test_read(struct file *file, struct kobject *kobj,
-		      struct bin_attribute *bin_attr,
-		      char *buf, loff_t off, size_t len)
-{
-	struct bpf_testmod_test_read_ctx ctx = {
-		.buf = buf,
-		.off = off,
-		.len = len,
-	};
-	struct bpf_testmod_struct_arg_1 struct_arg1 = {10}, struct_arg1_2 = {-1};
-	struct bpf_testmod_struct_arg_2 struct_arg2 = {2, 3};
-	struct bpf_testmod_struct_arg_3 *struct_arg3;
-	struct bpf_testmod_struct_arg_4 struct_arg4 = {21, 22};
-	int i = 1;
-
-	while (bpf_testmod_return_ptr(i))
-		i++;
-
-	(void)bpf_testmod_test_struct_arg_1(struct_arg2, 1, 4);
-	(void)bpf_testmod_test_struct_arg_2(1, struct_arg2, 4);
-	(void)bpf_testmod_test_struct_arg_3(1, 4, struct_arg2);
-	(void)bpf_testmod_test_struct_arg_4(struct_arg1, 1, 2, 3, struct_arg2);
-	(void)bpf_testmod_test_struct_arg_5();
-	(void)bpf_testmod_test_struct_arg_7(16, (void *)17, 18, 19,
-					    (void *)20, struct_arg4);
-	(void)bpf_testmod_test_struct_arg_8(16, (void *)17, 18, 19,
-					    (void *)20, struct_arg4, 23);
-
-	(void)bpf_testmod_test_arg_ptr_to_struct(&struct_arg1_2);
-
-	struct_arg3 = kmalloc((sizeof(struct bpf_testmod_struct_arg_3) +
-				sizeof(int)), GFP_KERNEL);
-	if (struct_arg3 != NULL) {
-		struct_arg3->b[0] = 1;
-		(void)bpf_testmod_test_struct_arg_6(struct_arg3);
-		kfree(struct_arg3);
-	}
-
-	/* This is always true. Use the check to make sure the compiler
-	 * doesn't remove bpf_testmod_loop_test.
-	 */
-	if (bpf_testmod_loop_test(101) > 100)
-		trace_bpf_testmod_test_read(current, &ctx);
-
-	/* Magic number to enable writable tp */
-	if (len == 64) {
-		struct bpf_testmod_test_writable_ctx writable = {
-			.val = 1024,
-		};
-		trace_bpf_testmod_test_writable_bare(&writable);
-		if (writable.early_ret)
-			return snprintf(buf, len, "%d\n", writable.val);
-	}
-
-	if (bpf_testmod_fentry_test1(1) != 2 ||
-	    bpf_testmod_fentry_test2(2, 3) != 5 ||
-	    bpf_testmod_fentry_test3(4, 5, 6) != 15 ||
-	    bpf_testmod_fentry_test7(16, (void *)17, 18, 19, (void *)20,
-			21, 22) != 133 ||
-	    bpf_testmod_fentry_test11(16, (void *)17, 18, 19, (void *)20,
-			21, 22, 23, 24, 25, 26) != 231)
-		goto out;
-
-	bpf_testmod_fentry_ok = 1;
-out:
-	return -EIO; /* always fail */
-}
-EXPORT_SYMBOL(bpf_testmod_test_read);
-ALLOW_ERROR_INJECTION(bpf_testmod_test_read, ERRNO);
-
-noinline ssize_t
-bpf_testmod_test_write(struct file *file, struct kobject *kobj,
-		      struct bin_attribute *bin_attr,
-		      char *buf, loff_t off, size_t len)
-{
-	struct bpf_testmod_test_write_ctx ctx = {
-		.buf = buf,
-		.off = off,
-		.len = len,
-	};
-
-	trace_bpf_testmod_test_write_bare(current, &ctx);
-
-	return -EIO; /* always fail */
-}
-EXPORT_SYMBOL(bpf_testmod_test_write);
-ALLOW_ERROR_INJECTION(bpf_testmod_test_write, ERRNO);
-
-noinline int bpf_fentry_shadow_test(int a)
-{
-	return a + 2;
-}
-EXPORT_SYMBOL_GPL(bpf_fentry_shadow_test);
-
-__bpf_hook_end();
-
-static struct bin_attribute bin_attr_bpf_testmod_file __ro_after_init = {
-	.attr = { .name = "bpf_testmod", .mode = 0666, },
-	.read = bpf_testmod_test_read,
-	.write = bpf_testmod_test_write,
-};
-
-BTF_KFUNCS_START(bpf_testmod_common_kfunc_ids)
-BTF_ID_FLAGS(func, bpf_iter_testmod_seq_new, KF_ITER_NEW)
-BTF_ID_FLAGS(func, bpf_iter_testmod_seq_next, KF_ITER_NEXT | KF_RET_NULL)
-BTF_ID_FLAGS(func, bpf_iter_testmod_seq_destroy, KF_ITER_DESTROY)
-BTF_ID_FLAGS(func, bpf_kfunc_common_test)
-BTF_KFUNCS_END(bpf_testmod_common_kfunc_ids)
-
-static const struct btf_kfunc_id_set bpf_testmod_common_kfunc_set = {
-	.owner = THIS_MODULE,
-	.set   = &bpf_testmod_common_kfunc_ids,
-};
-
-__bpf_kfunc u64 bpf_kfunc_call_test1(struct sock *sk, u32 a, u64 b, u32 c, u64 d)
-{
-	return a + b + c + d;
-}
-
-__bpf_kfunc int bpf_kfunc_call_test2(struct sock *sk, u32 a, u32 b)
-{
-	return a + b;
-}
-
-__bpf_kfunc struct sock *bpf_kfunc_call_test3(struct sock *sk)
-{
-	return sk;
-}
-
-__bpf_kfunc long noinline bpf_kfunc_call_test4(signed char a, short b, int c, long d)
-{
-	/* Provoke the compiler to assume that the caller has sign-extended a,
-	 * b and c on platforms where this is required (e.g. s390x).
-	 */
-	return (long)a + (long)b + (long)c + d;
-}
-
-static struct prog_test_ref_kfunc prog_test_struct = {
-	.a = 42,
-	.b = 108,
-	.next = &prog_test_struct,
-	.cnt = REFCOUNT_INIT(1),
-};
-
-__bpf_kfunc struct prog_test_ref_kfunc *
-bpf_kfunc_call_test_acquire(unsigned long *scalar_ptr)
-{
-	refcount_inc(&prog_test_struct.cnt);
-	return &prog_test_struct;
-}
-
-__bpf_kfunc void bpf_kfunc_call_test_offset(struct prog_test_ref_kfunc *p)
-{
-	WARN_ON_ONCE(1);
-}
-
-__bpf_kfunc struct prog_test_member *
-bpf_kfunc_call_memb_acquire(void)
-{
-	WARN_ON_ONCE(1);
-	return NULL;
-}
-
-__bpf_kfunc void bpf_kfunc_call_memb1_release(struct prog_test_member1 *p)
-{
-	WARN_ON_ONCE(1);
-}
-
-static int *__bpf_kfunc_call_test_get_mem(struct prog_test_ref_kfunc *p, const int size)
-{
-	if (size > 2 * sizeof(int))
-		return NULL;
-
-	return (int *)p;
-}
-
-__bpf_kfunc int *bpf_kfunc_call_test_get_rdwr_mem(struct prog_test_ref_kfunc *p,
-						  const int rdwr_buf_size)
-{
-	return __bpf_kfunc_call_test_get_mem(p, rdwr_buf_size);
-}
-
-__bpf_kfunc int *bpf_kfunc_call_test_get_rdonly_mem(struct prog_test_ref_kfunc *p,
-						    const int rdonly_buf_size)
-{
-	return __bpf_kfunc_call_test_get_mem(p, rdonly_buf_size);
-}
-
-/* the next 2 ones can't be really used for testing expect to ensure
- * that the verifier rejects the call.
- * Acquire functions must return struct pointers, so these ones are
- * failing.
- */
-__bpf_kfunc int *bpf_kfunc_call_test_acq_rdonly_mem(struct prog_test_ref_kfunc *p,
-						    const int rdonly_buf_size)
-{
-	return __bpf_kfunc_call_test_get_mem(p, rdonly_buf_size);
-}
-
-__bpf_kfunc void bpf_kfunc_call_int_mem_release(int *p)
-{
-}
-
-__bpf_kfunc void bpf_kfunc_call_test_pass_ctx(struct __sk_buff *skb)
-{
-}
-
-__bpf_kfunc void bpf_kfunc_call_test_pass1(struct prog_test_pass1 *p)
-{
-}
-
-__bpf_kfunc void bpf_kfunc_call_test_pass2(struct prog_test_pass2 *p)
-{
-}
-
-__bpf_kfunc void bpf_kfunc_call_test_fail1(struct prog_test_fail1 *p)
-{
-}
-
-__bpf_kfunc void bpf_kfunc_call_test_fail2(struct prog_test_fail2 *p)
-{
-}
-
-__bpf_kfunc void bpf_kfunc_call_test_fail3(struct prog_test_fail3 *p)
-{
-}
-
-__bpf_kfunc void bpf_kfunc_call_test_mem_len_pass1(void *mem, int mem__sz)
-{
-}
-
-__bpf_kfunc void bpf_kfunc_call_test_mem_len_fail1(void *mem, int len)
-{
-}
-
-__bpf_kfunc void bpf_kfunc_call_test_mem_len_fail2(u64 *mem, int len)
-{
-}
-
-__bpf_kfunc void bpf_kfunc_call_test_ref(struct prog_test_ref_kfunc *p)
-{
-	/* p != NULL, but p->cnt could be 0 */
-}
-
-__bpf_kfunc void bpf_kfunc_call_test_destructive(void)
-{
-}
-
-__bpf_kfunc static u32 bpf_kfunc_call_test_static_unused_arg(u32 arg, u32 unused)
-{
-	return arg;
-}
-
-BTF_KFUNCS_START(bpf_testmod_check_kfunc_ids)
-BTF_ID_FLAGS(func, bpf_testmod_test_mod_kfunc)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test1)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test2)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test3)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test4)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_mem_len_pass1)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_mem_len_fail1)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_mem_len_fail2)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_acquire, KF_ACQUIRE | KF_RET_NULL)
-BTF_ID_FLAGS(func, bpf_kfunc_call_memb_acquire, KF_ACQUIRE | KF_RET_NULL)
-BTF_ID_FLAGS(func, bpf_kfunc_call_memb1_release, KF_RELEASE)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_get_rdwr_mem, KF_RET_NULL)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_get_rdonly_mem, KF_RET_NULL)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_acq_rdonly_mem, KF_ACQUIRE | KF_RET_NULL)
-BTF_ID_FLAGS(func, bpf_kfunc_call_int_mem_release, KF_RELEASE)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_pass_ctx)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_pass1)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_pass2)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_fail1)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_fail2)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_fail3)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_ref, KF_TRUSTED_ARGS | KF_RCU)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_destructive, KF_DESTRUCTIVE)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_static_unused_arg)
-BTF_ID_FLAGS(func, bpf_kfunc_call_test_offset)
-BTF_KFUNCS_END(bpf_testmod_check_kfunc_ids)
-
-static int bpf_testmod_ops_init(struct btf *btf)
-{
-	return 0;
-}
-
-static bool bpf_testmod_ops_is_valid_access(int off, int size,
-					    enum bpf_access_type type,
-					    const struct bpf_prog *prog,
-					    struct bpf_insn_access_aux *info)
-{
-	return bpf_tracing_btf_ctx_access(off, size, type, prog, info);
-}
-
-static int bpf_testmod_ops_init_member(const struct btf_type *t,
-				       const struct btf_member *member,
-				       void *kdata, const void *udata)
-{
-	if (member->offset == offsetof(struct bpf_testmod_ops, data) * 8) {
-		/* For data fields, this function has to copy it and return
-		 * 1 to indicate that the data has been handled by the
-		 * struct_ops type, or the verifier will reject the map if
-		 * the value of the data field is not zero.
-		 */
-		((struct bpf_testmod_ops *)kdata)->data = ((struct bpf_testmod_ops *)udata)->data;
-		return 1;
-	}
-	return 0;
-}
-
-static const struct btf_kfunc_id_set bpf_testmod_kfunc_set = {
-	.owner = THIS_MODULE,
-	.set   = &bpf_testmod_check_kfunc_ids,
-};
-
-static const struct bpf_verifier_ops bpf_testmod_verifier_ops = {
-	.is_valid_access = bpf_testmod_ops_is_valid_access,
-};
-
-static int bpf_dummy_reg(void *kdata)
-{
-	struct bpf_testmod_ops *ops = kdata;
-
-	if (ops->test_1)
-		ops->test_1();
-	/* Some test cases (ex. struct_ops_maybe_null) may not have test_2
-	 * initialized, so we need to check for NULL.
-	 */
-	if (ops->test_2)
-		ops->test_2(4, ops->data);
-
-	return 0;
-}
-
-static void bpf_dummy_unreg(void *kdata)
-{
-}
-
-static int bpf_testmod_test_1(void)
-{
-	return 0;
-}
-
-static void bpf_testmod_test_2(int a, int b)
-{
-}
-
-static int bpf_testmod_ops__test_maybe_null(int dummy,
-					    struct task_struct *task__nullable)
-{
-	return 0;
-}
-
-static struct bpf_testmod_ops __bpf_testmod_ops = {
-	.test_1 = bpf_testmod_test_1,
-	.test_2 = bpf_testmod_test_2,
-	.test_maybe_null = bpf_testmod_ops__test_maybe_null,
-};
-
-struct bpf_struct_ops bpf_bpf_testmod_ops = {
-	.verifier_ops = &bpf_testmod_verifier_ops,
-	.init = bpf_testmod_ops_init,
-	.init_member = bpf_testmod_ops_init_member,
-	.reg = bpf_dummy_reg,
-	.unreg = bpf_dummy_unreg,
-	.cfi_stubs = &__bpf_testmod_ops,
-	.name = "bpf_testmod_ops",
-	.owner = THIS_MODULE,
-};
-
-static int bpf_dummy_reg2(void *kdata)
-{
-	struct bpf_testmod_ops2 *ops = kdata;
-
-	ops->test_1();
-	return 0;
-}
-
-static struct bpf_testmod_ops2 __bpf_testmod_ops2 = {
-	.test_1 = bpf_testmod_test_1,
-};
-
-struct bpf_struct_ops bpf_testmod_ops2 = {
-	.verifier_ops = &bpf_testmod_verifier_ops,
-	.init = bpf_testmod_ops_init,
-	.init_member = bpf_testmod_ops_init_member,
-	.reg = bpf_dummy_reg2,
-	.unreg = bpf_dummy_unreg,
-	.cfi_stubs = &__bpf_testmod_ops2,
-	.name = "bpf_testmod_ops2",
-	.owner = THIS_MODULE,
-};
-
-extern int bpf_fentry_test1(int a);
-
-static int bpf_testmod_init(void)
-{
-	int ret;
-
-	ret = register_btf_kfunc_id_set(BPF_PROG_TYPE_UNSPEC, &bpf_testmod_common_kfunc_set);
-	ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_SCHED_CLS, &bpf_testmod_kfunc_set);
-	ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_TRACING, &bpf_testmod_kfunc_set);
-	ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_SYSCALL, &bpf_testmod_kfunc_set);
-	ret = ret ?: register_bpf_struct_ops(&bpf_bpf_testmod_ops, bpf_testmod_ops);
-	ret = ret ?: register_bpf_struct_ops(&bpf_testmod_ops2, bpf_testmod_ops2);
-	if (ret < 0)
-		return ret;
-	if (bpf_fentry_test1(0) < 0)
-		return -EINVAL;
-	return sysfs_create_bin_file(kernel_kobj, &bin_attr_bpf_testmod_file);
-}
-
-static void bpf_testmod_exit(void)
-{
-        /* Need to wait for all references to be dropped because
-         * bpf_kfunc_call_test_release() which currently resides in kernel can
-         * be called after bpf_testmod is unloaded. Once release function is
-         * moved into the module this wait can be removed.
-         */
-	while (refcount_read(&prog_test_struct.cnt) > 1)
-		msleep(20);
-
-	sysfs_remove_bin_file(kernel_kobj, &bin_attr_bpf_testmod_file);
-}
-
-module_init(bpf_testmod_init);
-module_exit(bpf_testmod_exit);
-
-MODULE_AUTHOR("Andrii Nakryiko");
-MODULE_DESCRIPTION("BPF selftests module");
-MODULE_LICENSE("Dual BSD/GPL");