From e4d9c2320716ea0e9ef59f503ddd8f253a642ddd Mon Sep 17 00:00:00 2001 From: Ilya Leoshkevich Date: Mon, 20 Jul 2020 13:48:06 +0200 Subject: 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 Signed-off-by: Alexei Starovoitov Link: https://lore.kernel.org/bpf/20200720114806.88823-1-iii@linux.ibm.com --- tools/bpf/bpftool/skeleton/pid_iter.bpf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'tools/bpf') 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; -- cgit v1.2.3