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=-9.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,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 9E349C43387 for ; Mon, 17 Dec 2018 08:21:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 696DD217F4 for ; Mon, 17 Dec 2018 08:21:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545034910; bh=fSaR4G2tYus4Zmr4TVJ/qDi3S9CVTICyVbR7ukSMuS4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=V5e9kUQSMFO6Bxyvohe5kuv7ojjoVwtEjVjAmqM83fkmXLK/cicjw9uL1sIvLaRBG ZhDsqgcfrIZLvA0i8fZmJ1VYY/pjAExMskvnYpd6v8yQ6szzcDHEBwE+jl6Z0FWGTh iYJprJqTPSwPetukZp7egEYFCPca05uUjjrAjN9U= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731731AbeLQIVt (ORCPT ); Mon, 17 Dec 2018 03:21:49 -0500 Received: from mail.kernel.org ([198.145.29.99]:56602 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726496AbeLQIVs (ORCPT ); Mon, 17 Dec 2018 03:21:48 -0500 Received: from localhost.localdomain (NE2965lan1.rev.em-net.ne.jp [210.141.244.193]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6FD6E20672; Mon, 17 Dec 2018 08:21:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545034908; bh=fSaR4G2tYus4Zmr4TVJ/qDi3S9CVTICyVbR7ukSMuS4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AC53/yBsRIcTMm3w7y0qNJy8SnhkBmRo9SuAoXDPKi25We8OZYivcNspMac7buD6s hMEkT6/FQewB4iQoxweCW7C2Eb25n+vmCFDlpOY7hDnrrNC0mBaWKIyuU6aifqzOQ3 OgftGP1DsHShn9OQ967dNqIAxeS0W0ZPrbcIP9cA= From: Masami Hiramatsu To: Ingo Molnar , Andrea Righi Cc: "Naveen N . Rao" , Anil S Keshavamurthy , "David S . Miller" , Masami Hiramatsu , Yonghong Song , Andy Lutomirski , Thomas Gleixner , Borislav Petkov , "H . Peter Anvin" , x86@kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] x86/kprobes: Show x86-64 specific blacklisted symbols correctly Date: Mon, 17 Dec 2018 17:21:24 +0900 Message-Id: <154503488425.26176.17136784384033608516.stgit@devbox> X-Mailer: git-send-email 2.13.6 In-Reply-To: <154503482486.26176.6224515860220847638.stgit@devbox> References: <154503482486.26176.6224515860220847638.stgit@devbox> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Show x86-64 specific blacklisted symbols in debugfs. Since x86-64 prohibits probing on symbols which are in entry text, those should be shown. Signed-off-by: Masami Hiramatsu --- arch/x86/kernel/kprobes/core.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index 308bf103cc73..2a291fcb6443 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -1034,6 +1034,12 @@ bool arch_within_kprobe_blacklist(unsigned long addr) addr < (unsigned long)__entry_text_end); } +int __init arch_populate_kprobe_blacklist(void) +{ + return kprobe_add_area_blacklist((unsigned long)__entry_text_start, + (unsigned long)__entry_text_end); +} + int __init arch_init_kprobes(void) { return 0;