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=-2.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 D9DFCC43441 for ; Thu, 22 Nov 2018 14:08:08 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0AB93206B2 for ; Thu, 22 Nov 2018 14:08:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="Fkcia3qB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0AB93206B2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=russell.cc Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4311Vs6h2kzDqPk for ; Fri, 23 Nov 2018 01:08:05 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=russell.cc Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.b="Fkcia3qB"; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (helo) smtp.helo=wout2-smtp.messagingengine.com (client-ip=64.147.123.25; helo=wout2-smtp.messagingengine.com; envelope-from=ruscur@russell.cc; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=russell.cc Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.b="Fkcia3qB"; dkim-atps=neutral Received: from wout2-smtp.messagingengine.com (wout2-smtp.messagingengine.com [64.147.123.25]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4311QW1pQqzDqP1 for ; Fri, 23 Nov 2018 01:04:16 +1100 (AEDT) Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.west.internal (Postfix) with ESMTP id 47D0BD66; Thu, 22 Nov 2018 09:04:11 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute6.internal (MEProxy); Thu, 22 Nov 2018 09:04:11 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :message-id:mime-version:subject:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=8/xbp95vXWh23ncgO ZtcIvJ4G5GVZ1X1kYieM09w09g=; b=Fkcia3qB2DW/yt3dHEPoBw2APjLqM9peZ 8brIt10aS81/5tEFbXF6Z1BUSobO1sGX5VsGVhx9lNhw1WRNDz5tv1LQTW4+Hfhp t9/vOrYRttIAiNfxrqwJAnM+p62ZWTB174DPJq5RuaII3YaSlCYyJ2Ydzztk6Usu gKkJnsaxn+UldWJQLZSayZeyA3OhqyIPhPwwnYj8XNbM9kvPXGBHBLNSdLUvWVBS YoF22TfziZuF7vayxRdjqeOZ/RQEcI8Yuis4jZZAZzHtMJfZSwwlfpOYcuOd0UgM RPEg/T6wH9PZNOX1m96Y0sJxS4Evs+QKB8OG0TyvtTTSbNHOu/SMA== X-ME-Sender: X-ME-Proxy:

Received: from crackle.ozlabs.ibm.com.com (124-171-154-44.dyn.iinet.net.au [124.171.154.44]) by mail.messagingengine.com (Postfix) with ESMTPA id 51A1A102E4; Thu, 22 Nov 2018 09:04:05 -0500 (EST) From: Russell Currey To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH 0/4] Kernel Userspace Protection for Radix MMU Date: Fri, 23 Nov 2018 01:04:12 +1100 Message-Id: <20181122140416.3447-1-ruscur@russell.cc> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernel-hardening@lists.openwall.com, Russell Currey Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Back again, this time based on top of Christophe Leroy's series: http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=74541 With the magic perk of being the snowpatch maintainer I will try and get the snowpatch results for this series to be applied on top of that series so all the tests aren't failures. There aren't really any major functional changes, just working what I already did into Christophe's framework. The biggest change is that execution prevention is now optional, and all the radix-specific code is now in the radix-specific place where it should be. Russell Currey (4): powerpc: Track KUAP state in the PACA powerpc/64: Setup KUP before feature fixups powerpc/mm/radix: Use KUEP API for Radix MMU powerpc/64s: Implement KUAP for Radix MMU arch/powerpc/include/asm/book3s/64/radix.h | 43 ++++++++++++++++++++ arch/powerpc/include/asm/exception-64e.h | 3 ++ arch/powerpc/include/asm/exception-64s.h | 19 ++++++++- arch/powerpc/include/asm/mmu.h | 9 +++- arch/powerpc/include/asm/nohash/32/pte-8xx.h | 8 ++-- arch/powerpc/include/asm/paca.h | 3 ++ arch/powerpc/include/asm/reg.h | 1 + arch/powerpc/include/asm/uaccess.h | 23 ++++++++++- arch/powerpc/kernel/asm-offsets.c | 1 + arch/powerpc/kernel/entry_64.S | 16 +++++++- arch/powerpc/kernel/setup_64.c | 7 +++- arch/powerpc/mm/pgtable-radix.c | 21 ++++++++-- arch/powerpc/mm/pkeys.c | 7 +++- arch/powerpc/platforms/Kconfig.cputype | 2 + 14 files changed, 148 insertions(+), 15 deletions(-) -- 2.19.1