diff options
| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2020-07-20 13:48:06 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-07-21 13:26:26 -0700 |
| commit | e4d9c2320716ea0e9ef59f503ddd8f253a642ddd (patch) | |
| tree | 6f0b5d742197e5600edb95fb3a7fc16f1b4c4335 /tools/bpf | |
| parent | 6bd557275ad5a1adaff5082f4e24218ba344e0c0 (diff) | |
samples/bpf, selftests/bpf: Use bpf_probe_read_kernel
A handful of samples and selftests fail to build on s390, because
after commit 0ebeea8ca8a4 ("bpf: Restrict bpf_probe_read{, str}()
only to archs where they work") bpf_probe_read is not available
anymore.
Fix by using bpf_probe_read_kernel.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200720114806.88823-1-iii@linux.ibm.com
Diffstat (limited to 'tools/bpf')
| -rw-r--r-- | tools/bpf/bpftool/skeleton/pid_iter.bpf.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/bpf/bpftool/skeleton/pid_iter.bpf.c b/tools/bpf/bpftool/skeleton/pid_iter.bpf.c index 8468a608911e..d9b420972934 100644 --- a/tools/bpf/bpftool/skeleton/pid_iter.bpf.c +++ b/tools/bpf/bpftool/skeleton/pid_iter.bpf.c @@ -71,7 +71,8 @@ int iter(struct bpf_iter__task_file *ctx) e.pid = task->tgid; e.id = get_obj_id(file->private_data, obj_type); - bpf_probe_read(&e.comm, sizeof(e.comm), task->group_leader->comm); + bpf_probe_read_kernel(&e.comm, sizeof(e.comm), + task->group_leader->comm); bpf_seq_write(ctx->meta->seq, &e, sizeof(e)); return 0; |