From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: Jiri Olsa <jolsa@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andriin@fb.com>,
Network Development <netdev@vger.kernel.org>,
bpf <bpf@vger.kernel.org>
Subject: Re: [PATCH v7 bpf-next 0/9] bpf: Add d_path helper - preparation changes
Date: Mon, 13 Jul 2020 15:07:28 -0700 [thread overview]
Message-ID: <CAADnVQK4z0EmQZ77d2+nb4XY8AJaveT3fxkWi=ptkRqZh1UtYQ@mail.gmail.com> (raw)
In-Reply-To: <20200711215329.41165-1-jolsa@kernel.org>
On Sat, Jul 11, 2020 at 2:53 PM Jiri Olsa <jolsa@kernel.org> wrote:
>
> hi,
> this patchset does preparation work for adding d_path helper,
> which still needs more work, but the initial set of patches
> is ready and useful to have.
>
> This patchset adds:
> - support to generate BTF ID lists that are resolved during
> kernel linking and usable within kernel code with following
> macros:
>
> BTF_ID_LIST(bpf_skb_output_btf_ids)
> BTF_ID(struct, sk_buff)
>
> and access it in kernel code via:
> extern u32 bpf_skb_output_btf_ids[];
>
> - resolve_btfids tool that scans elf object for .BTF_ids
> section and resolves its symbols with BTF ID values
> - resolving of bpf_ctx_convert struct and several other
> objects with BTF_ID_LIST
>
> v7 changes:
> - added more acks [Andrii]
> - added some name-conflicting entries and fixed resolve_btfids
> to process them properly [Andrii]
> - changed bpf_get_task_stack_proto to use BTF_IDS_LIST/BTF_ID
> macros [Andrii]
> - fixed selftest build for resolve_btfids test
Applied. Thanks!
prev parent reply other threads:[~2020-07-13 22:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-11 21:53 [PATCH v7 bpf-next 0/9] bpf: Add d_path helper - preparation changes Jiri Olsa
2020-07-11 21:53 ` [PATCH v7 bpf-next 1/9] bpf: Add resolve_btfids tool to resolve BTF IDs in ELF object Jiri Olsa
2020-07-11 21:53 ` [PATCH v7 bpf-next 2/9] bpf: Compile resolve_btfids tool at kernel compilation start Jiri Olsa
2020-07-11 21:53 ` [PATCH v7 bpf-next 3/9] bpf: Add BTF_ID_LIST/BTF_ID/BTF_ID_UNUSED macros Jiri Olsa
2020-07-11 21:53 ` [PATCH v7 bpf-next 4/9] bpf: Resolve BTF IDs in vmlinux image Jiri Olsa
2020-07-11 21:53 ` [PATCH v7 bpf-next 5/9] bpf: Remove btf_id helpers resolving Jiri Olsa
2020-07-11 21:53 ` [PATCH v7 bpf-next 6/9] bpf: Use BTF_ID to resolve bpf_ctx_convert struct Jiri Olsa
2020-07-11 21:53 ` [PATCH v7 bpf-next 7/9] bpf: Add info about .BTF_ids section to btf.rst Jiri Olsa
2020-07-11 21:53 ` [PATCH v7 bpf-next 8/9] tools headers: Adopt verbatim copy of btf_ids.h from kernel sources Jiri Olsa
2020-07-11 21:53 ` [PATCH v7 bpf-next 9/9] selftests/bpf: Add test for resolve_btfids Jiri Olsa
2020-07-13 22:07 ` Alexei Starovoitov [this message]
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