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From: Jiri Olsa <jolsa@kernel.org>
Date: Mon, 15 May 2023 15:37:53 +0200
Subject: selftests/bpf: Load bpf_testmod for verifier test
Patch-mainline: v6.5-rc1
Git-commit: b23b385fa18f2196872bc3337c98ddd221c2827b
References: jsc#PED-6811

Loading bpf_testmod kernel module for verifier test. We will
move all the tests kfuncs into bpf_testmod in following change.

Acked-by: David Vernet <void@manifault.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20230515133756.1658301-8-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
---
 tools/testing/selftests/bpf/test_verifier.c |    9 +++++++++
 1 file changed, 9 insertions(+)

--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -40,6 +40,7 @@
 #include "bpf_util.h"
 #include "test_btf.h"
 #include "../../../include/linux/filter.h"
+#include "testing_helpers.h"
 
 #ifndef ENOTSUPP
 #define ENOTSUPP 524
@@ -1684,6 +1685,12 @@ static int do_test(bool unpriv, unsigned
 {
 	int i, passes = 0, errors = 0;
 
+	/* ensure previous instance of the module is unloaded */
+	unload_bpf_testmod(verbose);
+
+	if (load_bpf_testmod(verbose))
+		return EXIT_FAILURE;
+
 	for (i = from; i < to; i++) {
 		struct bpf_test *test = &tests[i];
 
@@ -1711,6 +1718,8 @@ static int do_test(bool unpriv, unsigned
 		}
 	}
 
+	unload_bpf_testmod(verbose);
+
 	printf("Summary: %d PASSED, %d SKIPPED, %d FAILED\n", passes,
 	       skips, errors);
 	return errors ? EXIT_FAILURE : EXIT_SUCCESS;