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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 9EC91C3B18C for ; Thu, 13 Feb 2020 15:27:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6D37324671 for ; Thu, 13 Feb 2020 15:27:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581607666; bh=1C2F05DTQ5vhQOubAguPuMs/IxDOxndvtOJ7j2bd/NM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Wg8ulw6hLFzqMe7qgKuTrP3FCzfphZcxl6hyI5MDDADwUTeK3H3YjzCet1eRtN0uq HU2USifqINeplRkt1jwTevPQ7gVfaGaT60OwCM6Sdgox/wtniuRIAcxjkDf2fm5msV tUoX3cfW1CHc20+eVUisiM+z80JQrrnGlbvfqSLk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729490AbgBMP1o (ORCPT ); Thu, 13 Feb 2020 10:27:44 -0500 Received: from mail.kernel.org ([198.145.29.99]:52212 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729486AbgBMP1n (ORCPT ); Thu, 13 Feb 2020 10:27:43 -0500 Received: from localhost (unknown [104.132.1.104]) (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 0313D24671; Thu, 13 Feb 2020 15:27:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581607663; bh=1C2F05DTQ5vhQOubAguPuMs/IxDOxndvtOJ7j2bd/NM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MUsyoDlnj/DTYwhyQICyNZvGby+0wlJdJVic1iXUzBzUdhCV+mpAM7oAw+kxDuYew OLfIrwiiOrnpWzh+9onSPVWnw0K3MUIyAPd3hGusVkc5LHZNmEpPdk2DP/5Mjnr6SB LetkYKQ1Mxrv16pCEH9btmOlaMs2XfYgHD2nAMcg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Christophe Leroy , Michael Ellerman Subject: [PATCH 5.4 55/96] powerpc/ptdump: Only enable PPC_CHECK_WX with STRICT_KERNEL_RWX Date: Thu, 13 Feb 2020 07:21:02 -0800 Message-Id: <20200213151900.681059691@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200213151839.156309910@linuxfoundation.org> References: <20200213151839.156309910@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Christophe Leroy commit f509247b08f2dcf7754d9ed85ad69a7972aa132b upstream. ptdump_check_wx() is called from mark_rodata_ro() which only exists when CONFIG_STRICT_KERNEL_RWX is selected. Fixes: 453d87f6a8ae ("powerpc/mm: Warn if W+X pages found on boot") Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/922d4939c735c6b52b4137838bcc066fffd4fc33.1578989545.git.christophe.leroy@c-s.fr Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/Kconfig.debug | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- 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.