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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:47:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:47:50 +0000 |
commit | 7c0639a3af697d4ae7a5db4d2ecc09eed43cad35 (patch) | |
tree | b28a6eef28064256422bed5e477ee51f2cbb0c0b /tools/testing/selftests/bpf/bpf_testmod | |
parent | Adding debian version 6.7.9-2. (diff) | |
download | linux-7c0639a3af697d4ae7a5db4d2ecc09eed43cad35.tar.xz linux-7c0639a3af697d4ae7a5db4d2ecc09eed43cad35.zip |
Merging upstream version 6.7.12.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/bpf/bpf_testmod')
-rw-r--r-- | tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c index 91907b321f..e7c9e1c7fd 100644 --- a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c +++ b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c @@ -2,6 +2,7 @@ /* Copyright (c) 2020 Facebook */ #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> @@ -544,6 +545,14 @@ static int bpf_testmod_init(void) 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); + return sysfs_remove_bin_file(kernel_kobj, &bin_attr_bpf_testmod_file); } |