From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 582F4C432C3 for ; Tue, 26 Nov 2019 10:09:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3205C2089D for ; Tue, 26 Nov 2019 10:09:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="V/YUucEh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727941AbfKZKJp (ORCPT ); Tue, 26 Nov 2019 05:09:45 -0500 Received: from mail-pg1-f195.google.com ([209.85.215.195]:37143 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727919AbfKZKJo (ORCPT ); Tue, 26 Nov 2019 05:09:44 -0500 Received: by mail-pg1-f195.google.com with SMTP id b10so8756821pgd.4; Tue, 26 Nov 2019 02:09:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=pUc8XgU3PRUIYnmGD1sk4dmdkx2zuWhcKZo2RCjAbj4=; b=V/YUucEhcvTyJgZSWsi5RwLlFSOkklklct0nM4joSGWaIR7na/no+LPxPiWVwQxxt3 MZTId0BfvRrcBB5cS/xNn6YkR/nR/a/oFs+qoKWNnr42ZGOZSgTJb1F9wGQ/O7rl4ool fqDK2tc6OlvGgzuoLOzoJUJQHilZeQPmXpSCsMF/iAGRQPq1estAj8ZW+DJ3zXLxs0I/ Q9QpB8OHiq3d1Lt0nQ7YBRWLpuxJLuJe9KhDCvCcZTqb9EKaythXaA5hLTcRTjhHTcg0 Zmy8SaIL9vFHoxTDHybOLMp6I58SLo01Hd5rnDgBZPghb4JF9K2no8TAUZxDYsM3NvAV RVqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=pUc8XgU3PRUIYnmGD1sk4dmdkx2zuWhcKZo2RCjAbj4=; b=O9+qpQW0FhQD8rPBmhv4FycRYTSLSamB6YnyBj76qcm5GvWuNhlSy0ktfHNCjRMV4R 4M50zfTf2kDCb893TM8dPrNiaTBr/GdIYBMwuPWc6qNlRFjp8mTMoaZfxHNJBsgm8PwY 7CEd5Wg+kIM3WFOvYCpNPp0CgA7h/oWeZKhF55BusraV8zstB2M6x/wSSb013aC95Xvz ROH0XzJ02ZdJHxWr3OUBNqllVlcByqwxpKg78xI+3la1uS1zPYRVsbv2u5rWsOfoG2bD zVidoAdfK2N+Utj1M4y9sxxGPyybeR8j6NP6t9eJ8U7Z3DNsQ7YqrBhoPhp/HTzv/uGJ iY8A== X-Gm-Message-State: APjAAAXTBSXTeOkRSY1MmCbt5/OPR09c6s4EYr573H8a86PWUEhHoJPI 232w9TFST/afPiaQrc9jUmA= X-Google-Smtp-Source: APXvYqyXGcO2rx/7HpN4RNXvapDE7gQDbHTJMsH1+iqGmKXZYJEaN21RZ6AzcvVf5dFk+Y1nNp9XGQ== X-Received: by 2002:a63:6b87:: with SMTP id g129mr29081453pgc.438.1574762984061; Tue, 26 Nov 2019 02:09:44 -0800 (PST) Received: from localhost.localdomain ([222.151.198.97]) by smtp.gmail.com with ESMTPSA id s24sm11848485pfh.108.2019.11.26.02.09.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Nov 2019 02:09:43 -0800 (PST) From: Prashant Bhole To: "David S . Miller" , "Michael S . Tsirkin" Cc: Jason Wang , Alexei Starovoitov , Daniel Borkmann , Jakub Kicinski , Jesper Dangaard Brouer , John Fastabend , Martin KaFai Lau , Song Liu , Yonghong Song , Andrii Nakryiko , netdev@vger.kernel.org, qemu-devel@nongnu.org, kvm@vger.kernel.org, Prashant Bhole Subject: [RFC net-next 16/18] bpf: export function __bpf_map_get Date: Tue, 26 Nov 2019 19:07:42 +0900 Message-Id: <20191126100744.5083-17-prashantbhole.linux@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191126100744.5083-1-prashantbhole.linux@gmail.com> References: <20191126100744.5083-1-prashantbhole.linux@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Jason Wang __bpf_map_get is necessary to get verify whether an fd corresponds to a bpf map, without adding a refcount on that map. After exporting it can be used by a kernel module. Signed-off-by: Jason Wang Signed-off-by: Prashant Bhole --- kernel/bpf/syscall.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index e3461ec59570..e524ab1e7c64 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -737,6 +737,7 @@ struct bpf_map *__bpf_map_get(struct fd f) return f.file->private_data; } +EXPORT_SYMBOL(__bpf_map_get); void bpf_map_inc(struct bpf_map *map) { -- 2.20.1