diff options
| author |   Daniel Xu <dxu@dxuuu.xyz> | 2021-08-23 19:43:48 -0700 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2021-08-25 10:37:05 -0700 |
| commit | a396eda5517ac958fb4eb7358f4708eb829058c4 (patch) | |
| tree | a709d88f5714c1737f4100b3ec58d61671b2758f /kernel/bpf | |
| parent | bpf: Consolidate task_struct BTF_ID declarations (diff) | |
| download | linux-dev-a396eda5517ac958fb4eb7358f4708eb829058c4.tar.xz linux-dev-a396eda5517ac958fb4eb7358f4708eb829058c4.zip | |
bpf: Extend bpf_base_func_proto helpers with bpf_get_current_task_btf()
bpf_get_current_task() is already supported so it's natural to also
include the _btf() variant for btf-powered helpers.
This is required for non-tracing progs to use bpf_task_pt_regs() in the
next commit.
Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/f99870ed5f834c9803d73b3476f8272b1bb987c0.1629772842.git.dxu@dxuuu.xyz
Diffstat (limited to 'kernel/bpf')
| -rw-r--r-- | kernel/bpf/helpers.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index 4e8540716187..609674f409ed 100644 --- a/kernel/bpf/helpers.c +++ b/kernel/bpf/helpers.c @@ -1322,6 +1322,7 @@ out: } const struct bpf_func_proto bpf_get_current_task_proto __weak; +const struct bpf_func_proto bpf_get_current_task_btf_proto __weak; const struct bpf_func_proto bpf_probe_read_user_proto __weak; const struct bpf_func_proto bpf_probe_read_user_str_proto __weak; const struct bpf_func_proto bpf_probe_read_kernel_proto __weak; @@ -1407,6 +1408,8 @@ bpf_base_func_proto(enum bpf_func_id func_id) return bpf_get_trace_printk_proto(); case BPF_FUNC_get_current_task: return &bpf_get_current_task_proto; + case BPF_FUNC_get_current_task_btf: + return &bpf_get_current_task_btf_proto; case BPF_FUNC_probe_read_user: return &bpf_probe_read_user_proto; case BPF_FUNC_probe_read_kernel: |