diff mbox series

[bpf-next,v2,2/4] bpf: Add stub for btf_struct_access()

Message ID 3a707dd1ec4a2441425a8882072c69ffb774ed4d.1660761470.git.dxu@dxuuu.xyz (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series Support direct writes to nf_conn:mark | expand

Checks

Context Check Description
bpf/vmtest-bpf-next-PR pending PR summary
netdev/tree_selection success Clearly marked for bpf-next, async
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1399 this patch: 1399
netdev/cc_maintainers warning 8 maintainers not CCed: john.fastabend@gmail.com song@kernel.org sdf@google.com martin.lau@linux.dev kpsingh@kernel.org jolsa@kernel.org haoluo@google.com yhs@fb.com
netdev/build_clang success Errors and warnings before: 163 this patch: 163
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1391 this patch: 1391
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 15 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
bpf/vmtest-bpf-next-VM_Test-1 success Logs for Kernel LATEST on ubuntu-latest with gcc
bpf/vmtest-bpf-next-VM_Test-2 success Logs for Kernel LATEST on ubuntu-latest with llvm-16
bpf/vmtest-bpf-next-VM_Test-3 pending Logs for Kernel LATEST on z15 with gcc
bpf/vmtest-bpf-next-VM_Test-4 success Logs for llvm-toolchain
bpf/vmtest-bpf-next-VM_Test-5 success Logs for set-matrix

Commit Message

Daniel Xu Aug. 17, 2022, 6:43 p.m. UTC
Add corresponding unimplemented stub for when CONFIG_BPF_SYSCALL=n

Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
---
 include/linux/bpf.h | 9 +++++++++
 1 file changed, 9 insertions(+)

Comments

Kumar Kartikeya Dwivedi Aug. 17, 2022, 8:07 p.m. UTC | #1
On Wed, 17 Aug 2022 at 20:43, Daniel Xu <dxu@dxuuu.xyz> wrote:
>
> Add corresponding unimplemented stub for when CONFIG_BPF_SYSCALL=n
>
> Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
> ---

Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
diff mbox series

Patch

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index a627a02cf8ab..24069eccb30c 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -2148,6 +2148,15 @@  static inline struct bpf_prog *bpf_prog_by_id(u32 id)
 	return ERR_PTR(-ENOTSUPP);
 }
 
+static inline int btf_struct_access(struct bpf_verifier_log *log,
+				    const struct btf *btf,
+				    const struct btf_type *t, int off, int size,
+				    enum bpf_access_type atype,
+				    u32 *next_btf_id, enum bpf_type_flag *flag)
+{
+	return -EACCES;
+}
+
 static inline const struct bpf_func_proto *
 bpf_base_func_proto(enum bpf_func_id func_id)
 {