linux-kernel - [PATCH v2] libbpf: Clean up legacy bpf maps declaration in bpf

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Message-ID: <94275aa1e5af4efea53f322f91b27380@huawei.com>
Date:   Wed, 7 Sep 2022 02:51:06 +0000
From:   "Liuxin(EulerOS)" <liuxin350@...wei.com>
To:     "andrii@...nel.org" <andrii@...nel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "ast@...nel.org" <ast@...nel.org>,
        "martin.lau@...ux.dev" <martin.lau@...ux.dev>,
        "song@...nel.org" <song@...nel.org>, "yhs@...com" <yhs@...com>,
        "john.fastabend@...il.com" <john.fastabend@...il.com>,
        "kpsingh@...nel.org" <kpsingh@...nel.org>,
        "sdf@...gle.com" <sdf@...gle.com>,
        "haoluo@...gle.com" <haoluo@...gle.com>,
        "jolsa@...nel.org" <jolsa@...nel.org>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "854182924@...com" <854182924@...com>
CC:     "Yanan (Euler)" <yanan@...wei.com>,
        "Wuchangye (EulerOS)" <wuchangye@...wei.com>,
        Xiesongyang <xiesongyang@...wei.com>,
        "zhudi (E)" <zhudi2@...wei.com>,
        "kongweibin (A)" <kongweibin2@...wei.com>
Subject: [PATCH v2] libbpf: Clean up legacy bpf maps declaration in
 bpf_helpers

Legacy bpf maps declaration were no longer supported in Libbpf 1.0, so it was time to remove the definition of bpf_map_def in bpf_helpers.h.

LINK:[1] https://github.com/libbpf/libbpf/wiki/Libbpf:-the-road-to-v1.0

Acked-by: Song Liu <song@...nel.org>
Signed-off-by: Xin Liu<liuxin350@...wei.com>
---
Changes in v2:
    - Fix strange signatures

V1: https://lore.kernel.org/bpf/CAPhsuW7Em6q5hqiKWEZpJOaU5DTrZE+BPPHq+Chyz0-+-yQ_ZA@mail.gmail.com/T/#t

tools/lib/bpf/bpf_helpers.h | 12 ------------
1 file changed, 12 deletions(-)

diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h index 867b73483..9cad13e7f 100644
--- a/tools/lib/bpf/bpf_helpers.h
+++ b/tools/lib/bpf/bpf_helpers.h
@@ -167,18 +167,6 @@ bpf_tail_call_static(void *ctx, const void *map, const __u32 slot) } #endif

-/*
- * Helper structure used by eBPF C program
- * to describe BPF map attributes to libbpf loader
- */
-struct bpf_map_def {
-       unsigned int type;
-       unsigned int key_size;
-       unsigned int value_size;
-       unsigned int max_entries;
-       unsigned int map_flags;
-} __attribute__((deprecated("use BTF-defined maps in .maps section")));
-
enum libbpf_pin_type {
        LIBBPF_PIN_NONE,
        /* PIN_BY_NAME: pin maps by name (in /sys/fs/bpf by default) */
--
2.33.0