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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 E4E0FC2BB55 for ; Thu, 9 Apr 2020 19:36:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B9FB020757 for ; Thu, 9 Apr 2020 19:36:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=efficios.com header.i=@efficios.com header.b="V6uA8uRM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727014AbgDITgR (ORCPT ); Thu, 9 Apr 2020 15:36:17 -0400 Received: from mail.efficios.com ([167.114.26.124]:47216 "EHLO mail.efficios.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726881AbgDITgA (ORCPT ); Thu, 9 Apr 2020 15:36:00 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id 4943728109F; Thu, 9 Apr 2020 15:36:00 -0400 (EDT) Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id JnZREeYoa-WA; Thu, 9 Apr 2020 15:35:59 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id 81984280F61; Thu, 9 Apr 2020 15:35:59 -0400 (EDT) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.efficios.com 81984280F61 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=efficios.com; s=default; t=1586460959; bh=N8TR0WBVz7Tv+O6fhb3AiUPKDYJHpnVQhxqixbF58TU=; h=From:To:Date:Message-Id; b=V6uA8uRMceSCMBYKENb90JPRfqzw+pAhRrJSTH1B7mUvzXjb60PSnvoHZQRRPsnJq Puwc2IwMmgWG0QhVXxHb6nRrUzL8mxkVK0yrD+Ad4xk7Eurb2a5HPCu5D/kfB6vR+4 bx1Z7cjUa7poTL37OmnmQyZpvXZHFxc+LgM1xVlofD9/r8569/WvoMbbEI1v+zkzDX AhOJfAK7oQ9WnvQk26HiD3g+ECKdn1ohG+zzuPDdMfkeGxzMDJWh7Zf+N9dVcPFpdh uVoUVAm6hQvdWF6Q+iGXr+q3gGWIxTLduIxFhRXcToOENnlyWZlc2EZ/iddmAIQ5An 8hhd8eatcr8eg== X-Virus-Scanned: amavisd-new at efficios.com Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id LIQbuK6txhh7; Thu, 9 Apr 2020 15:35:59 -0400 (EDT) Received: from localhost.localdomain (192-222-181-218.qc.cable.ebox.net [192.222.181.218]) by mail.efficios.com (Postfix) with ESMTPSA id B57DA280CC0; Thu, 9 Apr 2020 15:35:58 -0400 (EDT) From: Mathieu Desnoyers To: Thomas Gleixner , Will Deacon , akpm@linux-foundation.org, Greg Kroah-Hartman , "K . Prasad" , Masami Hiramatsu , rostedt@goodmis.org, Alexei Starovoitov Cc: linux-kernel@vger.kernel.org, Mathieu Desnoyers , Ingo Molnar , Peter Zijlstra Subject: [RFC PATCH 5/9] sched: export-GPL task_prio Date: Thu, 9 Apr 2020 15:35:39 -0400 Message-Id: <20200409193543.18115-6-mathieu.desnoyers@efficios.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200409193543.18115-1-mathieu.desnoyers@efficios.com> References: <20200409193543.18115-1-mathieu.desnoyers@efficios.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Exporting the task_prio() symbol to GPL modules is useful for kernel tracers implemented as kernel modules. It exports information which is already available through /proc in a way which allows it to be sampled by kernel tracers with low overhead. Signed-off-by: Mathieu Desnoyers Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Steven Rostedt Cc: Thomas Gleixner --- kernel/sched/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index a2694ba82874..f87cffef317a 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4629,6 +4629,7 @@ int task_prio(const struct task_struct *p) { return p->prio - MAX_RT_PRIO; } +EXPORT_SYMBOL_GPL(task_prio); /** * idle_cpu - is a given CPU idle currently? -- 2.17.1