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 3C371C43387 for ; Mon, 17 Dec 2018 08:22:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0A2CD2086C for ; Mon, 17 Dec 2018 08:22:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545034940; bh=q1ieTWvagMn6dWu5JFlMmZaHuRe06eqQjH4kDM/vd7I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=IPEoYRW8xyIJQOQ1nXzXpod/9woRH/EGD31gLyT9WWbIEnhR0gVJGS24Oal2wtEZq 4odT/xcavi/41IB5+dzgp38AXmmt8ij8U7K3X6WJ0DltYYDYGJse0mn97zAKBXOKwD yeaiInwl7AzouKepfhjGWvw3brhmE3U/z3Wpv8T0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731733AbeLQIWS (ORCPT ); Mon, 17 Dec 2018 03:22:18 -0500 Received: from mail.kernel.org ([198.145.29.99]:56896 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726496AbeLQIWS (ORCPT ); Mon, 17 Dec 2018 03:22:18 -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 AB5C720672; Mon, 17 Dec 2018 08:22:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545034937; bh=q1ieTWvagMn6dWu5JFlMmZaHuRe06eqQjH4kDM/vd7I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FQh7lDD0j7sK2p5hu1eD3CpX7WV0MW+KolliySnMr06h/fPB+AgWaq2GYaztHZX9v FFBmG5s/mx8BWh5p3d6b4DJJXQVcBrLFPd1y7Aufi7Fta391Nmpw5bxX6ZmR39RUEp VOTW/JZgEKDc4kD+B8r30bBSfneUsRd77zAOgU6Q= 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 3/3] x86/kprobes: Remove unneeded arch_within_kprobe_blacklist from x86 Date: Mon, 17 Dec 2018 17:21:53 +0900 Message-Id: <154503491354.26176.13903264647254766066.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 Remove x86 specific arch_within_kprobe_blacklist(). Since we have already added all blacklisted symbols to kprobe blacklist by arch_populate_kprobe_blacklist(), we don't need arch_within_kprobe_blacklist() on x86 anymore. Signed-off-by: Masami Hiramatsu --- arch/x86/kernel/kprobes/core.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index 2a291fcb6443..4ba75afba527 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -1026,14 +1026,6 @@ int kprobe_fault_handler(struct pt_regs *regs, int trapnr) } NOKPROBE_SYMBOL(kprobe_fault_handler); -bool arch_within_kprobe_blacklist(unsigned long addr) -{ - return (addr >= (unsigned long)__kprobes_text_start && - addr < (unsigned long)__kprobes_text_end) || - (addr >= (unsigned long)__entry_text_start && - addr < (unsigned long)__entry_text_end); -} - int __init arch_populate_kprobe_blacklist(void) { return kprobe_add_area_blacklist((unsigned long)__entry_text_start,