[PATCHv3 bpf-next 6/9] selftests/bpf: Load bpf_testmod for verifier test

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

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
 tools/testing/selftests/bpf/test_verifier.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index 887c49dc5abd..14f11f2dfbce 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -45,6 +45,7 @@
 #include "bpf_util.h"
 #include "test_btf.h"
 #include "../../../include/linux/filter.h"
+#include "testing_helpers.h"
 
 #ifndef ENOTSUPP
 #define ENOTSUPP 524
@@ -1705,6 +1706,12 @@ static int do_test(bool unpriv, unsigned int from, unsigned int to)
 {
 	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];
 
@@ -1732,6 +1739,8 @@ static int do_test(bool unpriv, unsigned int from, unsigned int to)
 		}
 	}
 
+	unload_bpf_testmod(verbose);
+
 	printf("Summary: %d PASSED, %d SKIPPED, %d FAILED\n", passes,
 	       skips, errors);
 	return errors ? EXIT_FAILURE : EXIT_SUCCESS;
-- 
2.39.1




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