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authorAlexei Starovoitov <ast@kernel.org>2021-11-12 10:19:10 -0800
committerAlexei Starovoitov <ast@kernel.org>2021-11-12 10:19:10 -0800
commit7cc595a60187bcfaf8a8013539900154eccb4d3f (patch)
tree293ae437aeb1c13fd0ead6e9d4291326a64e97e5 /kernel/bpf/task_iter.c
parent314f14abdeca78de6b16f97d796a9966ce4b90ae (diff)
parentd19ddb476a539fd78ad1028ae13bb38506286931 (diff)
Merge branch 'introduce btf_tracing_ids'
Song Liu says: ==================== Changes v2 => v3: 1. Fix bug in task_iter.c. (Kernel test robot <lkp@intel.com>) Changes v1 => v2: 1. Add patch 2/2. (Alexei) 1/2 fixes issue with btf_task_struct_ids w/o CONFIG_DEBUG_INFO_BTF. 2/2 replaces btf_task_struct_ids with easier to understand btf_tracing_ids. ==================== Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'kernel/bpf/task_iter.c')
-rw-r--r--kernel/bpf/task_iter.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/bpf/task_iter.c b/kernel/bpf/task_iter.c
index f171479f7dd6..d94696198ef8 100644
--- a/kernel/bpf/task_iter.c
+++ b/kernel/bpf/task_iter.c
@@ -622,7 +622,7 @@ const struct bpf_func_proto bpf_find_vma_proto = {
.func = bpf_find_vma,
.ret_type = RET_INTEGER,
.arg1_type = ARG_PTR_TO_BTF_ID,
- .arg1_btf_id = &btf_task_struct_ids[0],
+ .arg1_btf_id = &btf_tracing_ids[BTF_TRACING_TYPE_TASK],
.arg2_type = ARG_ANYTHING,
.arg3_type = ARG_PTR_TO_FUNC,
.arg4_type = ARG_PTR_TO_STACK_OR_NULL,
@@ -652,19 +652,19 @@ static int __init task_iter_init(void)
init_irq_work(&work->irq_work, do_mmap_read_unlock);
}
- task_reg_info.ctx_arg_info[0].btf_id = btf_task_struct_ids[0];
+ task_reg_info.ctx_arg_info[0].btf_id = btf_tracing_ids[BTF_TRACING_TYPE_TASK];
ret = bpf_iter_reg_target(&task_reg_info);
if (ret)
return ret;
- task_file_reg_info.ctx_arg_info[0].btf_id = btf_task_struct_ids[0];
- task_file_reg_info.ctx_arg_info[1].btf_id = btf_task_struct_ids[1];
+ task_file_reg_info.ctx_arg_info[0].btf_id = btf_tracing_ids[BTF_TRACING_TYPE_TASK];
+ task_file_reg_info.ctx_arg_info[1].btf_id = btf_tracing_ids[BTF_TRACING_TYPE_FILE];
ret = bpf_iter_reg_target(&task_file_reg_info);
if (ret)
return ret;
- task_vma_reg_info.ctx_arg_info[0].btf_id = btf_task_struct_ids[0];
- task_vma_reg_info.ctx_arg_info[1].btf_id = btf_task_struct_ids[2];
+ task_vma_reg_info.ctx_arg_info[0].btf_id = btf_tracing_ids[BTF_TRACING_TYPE_TASK];
+ task_vma_reg_info.ctx_arg_info[1].btf_id = btf_tracing_ids[BTF_TRACING_TYPE_VMA];
return bpf_iter_reg_target(&task_vma_reg_info);
}
late_initcall(task_iter_init);