Hello:
This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:
On Mon, 29 Jan 2024 16:06:44 -0800 you wrote:
> This patch set follows recent changes that added btf_decl_tag-based argument
> annotation support for global subprogs. This time we add ability to pass
> PTR_TO_BTF_ID (BTF-aware kernel pointers) arguments into global subprograms.
> We support explicitly trusted arguments only, for now.
>
> Patch #1 adds logic for arg:trusted tag support on the verifier side. Default
> semantic of such arguments is non-NULL, enforced on caller side. But patch #2
> adds arg:nullable tag that can be combined with arg:trusted to make callee
> explicitly do the NULL check, which helps implement "optional" PTR_TO_BTF_ID
> arguments.
>
> [...]
Here is the summary with links:
- [v3,bpf-next,1/4] bpf: add __arg_trusted global func arg tag
https://git.kernel.org/bpf/bpf-next/c/e2b3c4ff5d18
- [v3,bpf-next,2/4] bpf: add arg:nullable tag to be combined with trusted pointers
https://git.kernel.org/bpf/bpf-next/c/8f2b44cd9d69
- [v3,bpf-next,3/4] libbpf: add __arg_trusted and __arg_nullable tag macros
https://git.kernel.org/bpf/bpf-next/c/d28bb1a86e68
- [v3,bpf-next,4/4] selftests/bpf: add trusted global subprog arg tests
https://git.kernel.org/bpf/bpf-next/c/c381203eadb7
You are awesome, thank you!
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