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From: Andrii Nakryiko <andrii@kernel.org>
To: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
	martin.lau@kernel.org
Cc: andrii@kernel.org, kernel-team@meta.com,
	Dave Marchevsky <davemarchevsky@meta.com>
Subject: [PATCH bpf-next 6/8] libbpf: add __arg_trusted and __arg_untrusted annotation macros
Date: Thu,  4 Jan 2024 16:09:07 -0800	[thread overview]
Message-ID: <20240105000909.2818934-7-andrii@kernel.org> (raw)
In-Reply-To: <20240105000909.2818934-1-andrii@kernel.org>

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 --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
-- 
2.34.1


  parent reply	other threads:[~2024-01-05  0:09 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-05  0:09 [PATCH bpf-next 0/8] PTR_TO_BTF_ID arguments in global subprogs Andrii Nakryiko
2024-01-05  0:09 ` [PATCH bpf-next 1/8] selftests/bpf: fix test_loader check message Andrii Nakryiko
2024-01-05  0:09 ` [PATCH bpf-next 2/8] bpf: make sure scalar args don't accept __arg_nonnull tag Andrii Nakryiko
2024-01-05  0:09 ` [PATCH bpf-next 3/8] bpf: prepare btf_prepare_func_args() for multiple tags per argument Andrii Nakryiko
2024-01-05  0:09 ` [PATCH bpf-next 4/8] bpf: support " Andrii Nakryiko
2024-01-05  0:09 ` [PATCH bpf-next 5/8] bpf: add __arg_trusted and __arg_untrusted global func tags Andrii Nakryiko
2024-01-12  2:05   ` Alexei Starovoitov
2024-01-12 18:43     ` Andrii Nakryiko
2024-01-05  0:09 ` Andrii Nakryiko [this message]
2024-01-05  0:09 ` [PATCH bpf-next 7/8] libbpf: add bpf_core_cast() macro Andrii Nakryiko
2024-01-05  0:09 ` [PATCH bpf-next 8/8] selftests/bpf: add trusted/untrusted global subprog arg tests Andrii Nakryiko
2024-01-07 22:22 ` [PATCH bpf-next 0/8] PTR_TO_BTF_ID arguments in global subprogs Eduard Zingerman
2024-01-12  2:40 ` patchwork-bot+netdevbpf

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