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=-6.8 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 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 006A9C33CB1 for ; Tue, 14 Jan 2020 08:13:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CB03E2084D for ; Tue, 14 Jan 2020 08:13:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=c-s.fr header.i=@c-s.fr header.b="pDz+b49y" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729288AbgANINP (ORCPT ); Tue, 14 Jan 2020 03:13:15 -0500 Received: from pegase1.c-s.fr ([93.17.236.30]:61173 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729019AbgANINN (ORCPT ); Tue, 14 Jan 2020 03:13:13 -0500 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 47xjrQ2Pl9z9txpv; Tue, 14 Jan 2020 09:13:10 +0100 (CET) Authentication-Results: localhost; dkim=pass reason="1024-bit key; insecure key" header.d=c-s.fr header.i=@c-s.fr header.b=pDz+b49y; dkim-adsp=pass; dkim-atps=neutral X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id cF1qTXQRJMx2; Tue, 14 Jan 2020 09:13:10 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 47xjrQ1MWCz9txpr; Tue, 14 Jan 2020 09:13:10 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=c-s.fr; s=mail; t=1578989590; bh=55M/ims0c+2bUh6R/6GL8oZUlcAfq+OpIMVdmhapIAE=; h=From:Subject:To:Cc:Date:From; b=pDz+b49yh8FA6ucGDNycGS0wT2+irs4CrBjo+w+wFzCnFMh6LsmtnwkNaWwRhRGlR erglmW76SBq76kTeixbH/KAvWWkm0ofe154iUFUDF7aXb+TWvkKma9ZGqmuuj4kKNn obz2nXOmosU55bJvrg5uqBmtCBm5R9AGKXtxQ1KI= Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 2F8E18B7D1; Tue, 14 Jan 2020 09:13:11 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id VFsDJac2UaTJ; Tue, 14 Jan 2020 09:13:11 +0100 (CET) Received: from po14934vm.idsi0.si.c-s.fr (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id ECE118B769; Tue, 14 Jan 2020 09:13:10 +0100 (CET) Received: by po14934vm.idsi0.si.c-s.fr (Postfix, from userid 0) id C610464A20; Tue, 14 Jan 2020 08:13:10 +0000 (UTC) Message-Id: <922d4939c735c6b52b4137838bcc066fffd4fc33.1578989545.git.christophe.leroy@c-s.fr> From: Christophe Leroy Subject: [PATCH] powerpc/ptdump: only enable PPC_CHECK_WX with STRICT_KERNEL_RWX To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Date: Tue, 14 Jan 2020 08:13:10 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ptdump_check_wx() is called from mark_rodata_ro() which only exists when CONFIG_STRICT_KERNEL_RWX is selected. Signed-off-by: Christophe Leroy Fixes: 453d87f6a8ae ("powerpc/mm: Warn if W+X pages found on boot") --- arch/powerpc/Kconfig.debug | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index 4e1d39847462..0b063830eea8 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -371,7 +371,7 @@ config PPC_PTDUMP config PPC_DEBUG_WX bool "Warn on W+X mappings at boot" - depends on PPC_PTDUMP + depends on PPC_PTDUMP && STRICT_KERNEL_RWX help Generate a warning if any W+X mappings are found at boot. -- 2.13.3