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{
    "id": 1238813,
    "url": "http://patchwork.ozlabs.org/api/patches/1238813/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/20200216193005.144157-8-jolsa@kernel.org/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api",
        "name": "Linux network development",
        "link_name": "netdev",
        "list_id": "netdev.vger.kernel.org",
        "list_email": "netdev@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20200216193005.144157-8-jolsa@kernel.org>",
    "list_archive_url": null,
    "date": "2020-02-16T19:29:54",
    "name": "[07/18] bpf: Move bpf_tree add/del from bpf_prog_ksym_node_add/del",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": false,
    "hash": "a8a42a2d078cccb1058def520b4bd115e9e2adc6",
    "submitter": {
        "id": 73687,
        "url": "http://patchwork.ozlabs.org/api/people/73687/?format=api",
        "name": "Jiri Olsa",
        "email": "jolsa@kernel.org"
    },
    "delegate": {
        "id": 77147,
        "url": "http://patchwork.ozlabs.org/api/users/77147/?format=api",
        "username": "bpf",
        "first_name": "BPF",
        "last_name": "Maintainers",
        "email": "bpf@iogearbox.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/20200216193005.144157-8-jolsa@kernel.org/mbox/",
    "series": [
        {
            "id": 158829,
            "url": "http://patchwork.ozlabs.org/api/series/158829/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=158829",
            "date": "2020-02-16T19:29:47",
            "name": "bpf: Add trampoline and dispatcher to /proc/kallsyms",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/158829/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/1238813/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/1238813/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<bpf-owner@vger.kernel.org>",
        "X-Original-To": "incoming-bpf@patchwork.ozlabs.org",
        "Delivered-To": "patchwork-incoming-bpf@bilbo.ozlabs.org",
        "Authentication-Results": [
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            "ozlabs.org;\n\tdmarc=fail (p=none dis=none) header.from=kernel.org"
        ],
        "Received": [
            "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 48LHKB1F9rz9sPk\n\tfor <incoming-bpf@patchwork.ozlabs.org>;\n\tMon, 17 Feb 2020 06:30:54 +1100 (AEDT)",
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            "from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com\n\t[209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id\n\tus-mta-417-pxlWIaZZOnKLZwG0I9XutQ-1; Sun, 16 Feb 2020 14:30:48 -0500",
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        ],
        "From": "Jiri Olsa <jolsa@kernel.org>",
        "To": "Alexei Starovoitov <ast@kernel.org>,\n\tDaniel Borkmann <daniel@iogearbox.net>",
        "Cc": "netdev@vger.kernel.org, bpf@vger.kernel.org, Andrii Nakryiko\n\t<andriin@fb.com>, Yonghong Song <yhs@fb.com>, Song Liu\n\t<songliubraving@fb.com>,         Martin KaFai Lau <kafai@fb.com>,\n\tJakub Kicinski <kuba@kernel.org>, David Miller <davem@redhat.com>,\n\t=?utf-8?b?QmrDtnJuIFTDtnBlbA==?= <bjorn.topel@intel.com>,\n\tJohn Fastabend <john.fastabend@gmail.com>, Jesper Dangaard Brouer\n\t<hawk@kernel.org>,         Arnaldo Carvalho de Melo <acme@redhat.com>",
        "Subject": "[PATCH 07/18] bpf: Move bpf_tree add/del from\n\tbpf_prog_ksym_node_add/del",
        "Date": "Sun, 16 Feb 2020 20:29:54 +0100",
        "Message-Id": "<20200216193005.144157-8-jolsa@kernel.org>",
        "In-Reply-To": "<20200216193005.144157-1-jolsa@kernel.org>",
        "References": "<20200216193005.144157-1-jolsa@kernel.org>",
        "MIME-Version": "1.0",
        "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.11",
        "X-MC-Unique": "pxlWIaZZOnKLZwG0I9XutQ-1",
        "X-Mimecast-Spam-Score": "0",
        "X-Mimecast-Originator": "kernel.org",
        "Content-Type": "text/plain; charset=WINDOWS-1252",
        "Content-Transfer-Encoding": "8BIT",
        "Sender": "bpf-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<bpf.vger.kernel.org>",
        "X-Mailing-List": "bpf@vger.kernel.org"
    },
    "content": "Moving bpf_tree add/del from bpf_prog_ksym_node_add/del,\nbecause it will be used (and renamed) in following patches\nfor bpf_ksym objects. The bpf_tree is specific for bpf_prog\nobjects.\n\nSigned-off-by: Jiri Olsa <jolsa@kernel.org>\n---\n kernel/bpf/core.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c\nindex 9fb08b4d01f7..2fc6b28291cf 100644\n--- a/kernel/bpf/core.c\n+++ b/kernel/bpf/core.c\n@@ -652,7 +652,6 @@ static void bpf_prog_ksym_node_add(struct bpf_prog_aux *aux)\n {\n \tWARN_ON_ONCE(!list_empty(&aux->ksym.lnode));\n \tlist_add_tail_rcu(&aux->ksym.lnode, &bpf_kallsyms);\n-\tlatch_tree_insert(&aux->ksym_tnode, &bpf_tree, &bpf_tree_ops);\n \tlatch_tree_insert(&aux->ksym.tnode, &bpf_ksym_tree, &bpf_ksym_tree_ops);\n }\n \n@@ -661,7 +660,6 @@ static void bpf_prog_ksym_node_del(struct bpf_prog_aux *aux)\n \tif (list_empty(&aux->ksym.lnode))\n \t\treturn;\n \n-\tlatch_tree_erase(&aux->ksym_tnode, &bpf_tree, &bpf_tree_ops);\n \tlatch_tree_erase(&aux->ksym.tnode, &bpf_ksym_tree, &bpf_ksym_tree_ops);\n \tlist_del_rcu(&aux->ksym.lnode);\n }\n@@ -687,6 +685,7 @@ void bpf_prog_kallsyms_add(struct bpf_prog *fp)\n \tbpf_get_prog_name(fp);\n \n \tspin_lock_bh(&bpf_lock);\n+\tlatch_tree_insert(&fp->aux->ksym_tnode, &bpf_tree, &bpf_tree_ops);\n \tbpf_prog_ksym_node_add(fp->aux);\n \tspin_unlock_bh(&bpf_lock);\n }\n@@ -697,6 +696,7 @@ void bpf_prog_kallsyms_del(struct bpf_prog *fp)\n \t\treturn;\n \n \tspin_lock_bh(&bpf_lock);\n+\tlatch_tree_erase(&fp->aux->ksym_tnode, &bpf_tree, &bpf_tree_ops);\n \tbpf_prog_ksym_node_del(fp->aux);\n \tspin_unlock_bh(&bpf_lock);\n }\n",
    "prefixes": [
        "07/18"
    ]
}