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| author | Menglong Dong <menglong8.dong@gmail.com> | 2024-11-11 13:49:11 +0100 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2024-11-12 05:12:58 +0100 |
| commit | 213a695297e1f0c2ed814488757d496b0d7f7267 (patch) | |
| tree | c7f6afc2640977bd99976d38604984b7b6f8d096 /include/linux/bpf.h | |
| parent | tools/bpf: Fix the wrong format specifier in bpf_jit_disasm (diff) | |
| download | linux-213a695297e1f0c2ed814488757d496b0d7f7267.tar.xz linux-213a695297e1f0c2ed814488757d496b0d7f7267.zip | |
bpf: Replace the document for PTR_TO_BTF_ID_OR_NULL
Commit c25b2ae13603 ("bpf: Replace PTR_TO_XXX_OR_NULL with PTR_TO_XXX |
PTR_MAYBE_NULL") moved the fields around and misplaced the
documentation for "PTR_TO_BTF_ID_OR_NULL". So, let's replace it in the
proper place.
Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20241111124911.1436911-1-dongml2@chinatelecom.cn
Diffstat (limited to '')
| -rw-r--r-- | include/linux/bpf.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 1b84613b10ac..7da41ae2eac8 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -932,10 +932,6 @@ enum bpf_reg_type { * additional context, assume the value is non-null. */ PTR_TO_BTF_ID, - /* PTR_TO_BTF_ID_OR_NULL points to a kernel struct that has not - * been checked for null. Used primarily to inform the verifier - * an explicit null check is required for this struct. - */ PTR_TO_MEM, /* reg points to valid memory region */ PTR_TO_ARENA, PTR_TO_BUF, /* reg points to a read/write buffer */ @@ -948,6 +944,10 @@ enum bpf_reg_type { PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | PTR_TO_SOCKET, PTR_TO_SOCK_COMMON_OR_NULL = PTR_MAYBE_NULL | PTR_TO_SOCK_COMMON, PTR_TO_TCP_SOCK_OR_NULL = PTR_MAYBE_NULL | PTR_TO_TCP_SOCK, + /* PTR_TO_BTF_ID_OR_NULL points to a kernel struct that has not + * been checked for null. Used primarily to inform the verifier + * an explicit null check is required for this struct. + */ PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | PTR_TO_BTF_ID, /* This must be the last entry. Its purpose is to ensure the enum is |