diff mbox series

[bpf-next,v6,09/10] bpf: export btf_ctx_access to modules.

Message ID 20231022050335.2579051-10-thinker.li@gmail.com (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series Registrating struct_ops types from modules | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for bpf-next, async
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1366 this patch: 1366
netdev/cc_maintainers warning 7 maintainers not CCed: yonghong.song@linux.dev jolsa@kernel.org kpsingh@kernel.org john.fastabend@gmail.com sdf@google.com daniel@iogearbox.net haoluo@google.com
netdev/build_clang success Errors and warnings before: 1386 this patch: 1386
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
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, 7 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-PR fail PR summary
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bpf/vmtest-bpf-next-VM_Test-1 success Logs for ShellCheck
bpf/vmtest-bpf-next-VM_Test-2 success Logs for Validate matrix.py
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bpf/vmtest-bpf-next-VM_Test-8 success Logs for s390x-gcc / veristat
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bpf/vmtest-bpf-next-VM_Test-6 fail Logs for s390x-gcc / build / build for s390x with gcc
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bpf/vmtest-bpf-next-VM_Test-10 fail Logs for x86_64-gcc / build / build for x86_64 with gcc
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Commit Message

Kui-Feng Lee Oct. 22, 2023, 5:03 a.m. UTC
From: Kui-Feng Lee <thinker.li@gmail.com>

The module requires the use of btf_ctx_access() to invoke
bpf_tracing_btf_ctx_access() from a module. This function is valuable for
implementing validation functions that ensure proper access to ctx.

Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
---
 kernel/bpf/btf.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index c53888e8dddb..3773f6b16784 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -6139,6 +6139,7 @@  bool btf_ctx_access(int off, int size, enum bpf_access_type type,
 		__btf_name_by_offset(btf, t->name_off));
 	return true;
 }
+EXPORT_SYMBOL_GPL(btf_ctx_access);
 
 enum bpf_struct_walk_result {
 	/* < 0 error */