dda18a5c0b
b9f4c01f3e0b ("selftest/bpf: Make bpf_iter selftest compilable against old vmlinux.h")
missed the fact that bpf_iter_test_kern{3,4}.c are not just including
bpf_iter_test_kern_common.h and need similar bpf_iter_meta re-definition
explicitly.
Fixes: b9f4c01f3e0b ("selftest/bpf: Make bpf_iter selftest compilable against old vmlinux.h")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200519192341.134360-1-andriin@fb.com
34 lines
775 B
C
34 lines
775 B
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2020 Facebook */
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#define bpf_iter_meta bpf_iter_meta___not_used
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#define bpf_iter__task bpf_iter__task___not_used
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#include "vmlinux.h"
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#undef bpf_iter_meta
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#undef bpf_iter__task
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#include <bpf/bpf_helpers.h>
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char _license[] SEC("license") = "GPL";
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struct bpf_iter_meta {
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struct seq_file *seq;
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__u64 session_id;
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__u64 seq_num;
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} __attribute__((preserve_access_index));
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struct bpf_iter__task {
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struct bpf_iter_meta *meta;
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struct task_struct *task;
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} __attribute__((preserve_access_index));
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SEC("iter/task")
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int dump_task(struct bpf_iter__task *ctx)
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{
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struct seq_file *seq = ctx->meta->seq;
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struct task_struct *task = ctx->task;
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int tgid;
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tgid = task->tgid;
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bpf_seq_write(seq, &tgid, sizeof(tgid));
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return 0;
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}
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