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[bpf-next,6/8] libbpf: add __arg_trusted and __arg_untrusted annotation macros

Message ID 20240105000909.2818934-7-andrii@kernel.org (mailing list archive)
State Changes Requested
Delegated to: BPF
Headers show
Series PTR_TO_BTF_ID arguments in global subprogs | expand

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netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for bpf-next, async
netdev/ynl success SINGLE THREAD; Generated files up to date; no warnings/errors; no diff in generated;
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: 8 this patch: 8
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netdev/verify_fixes success No Fixes tag
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netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
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netdev/source_inline success Was 0 now: 0
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Commit Message

Andrii Nakryiko Jan. 5, 2024, 12:09 a.m. UTC 
Add __arg_trusted and __arg_untrusted to annotate global func args that
accept trusted and untrusted PTR_TO_BTF_ID arguments, respectively.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
---
 tools/lib/bpf/bpf_helpers.h | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h
index 2324cc42b017..e6967a999ed9 100644
--- a/tools/lib/bpf/bpf_helpers.h
+++ b/tools/lib/bpf/bpf_helpers.h
@@ -190,6 +190,8 @@  enum libbpf_tristate {
 
 #define __arg_ctx __attribute__((btf_decl_tag("arg:ctx")))
 #define __arg_nonnull __attribute((btf_decl_tag("arg:nonnull")))
+#define __arg_trusted __attribute((btf_decl_tag("arg:trusted")))
+#define __arg_untrusted __attribute((btf_decl_tag("arg:untrusted")))
 
 #ifndef ___bpf_concat
 #define ___bpf_concat(a, b) a ## b