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=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 D8179C43381 for ; Thu, 14 Feb 2019 02:12:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A6C5721902 for ; Thu, 14 Feb 2019 02:12:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="oY7D8sXi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404080AbfBNCME (ORCPT ); Wed, 13 Feb 2019 21:12:04 -0500 Received: from mail-qt1-f194.google.com ([209.85.160.194]:40200 "EHLO mail-qt1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2393864AbfBNCK0 (ORCPT ); Wed, 13 Feb 2019 21:10:26 -0500 Received: by mail-qt1-f194.google.com with SMTP id j36so5170720qta.7 for ; Wed, 13 Feb 2019 18:10:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=UZUWVxCWrQrbsOUy2e1U0Sl4o1q/8Eqt6om0AFG+LA0=; b=oY7D8sXiNd5usUh9oroDx1SLTuG6WMdZ8aRWzq/0gECW9XLkvCKByQOspC1a4dhBio zXxoHyo5Y93itmx5JRrkv+K+jTGCo34/z8S7fIGws0tJMCTDzeVqMfAbVslVldkhjoDs wnbwrdGqGrPnUvsyYjPHt3Os1AFX3MiMio5VySr71ltsfl26ddIJpnTIJSfQuw5gFwZa p9FB0xliv7RzuJ1ZS6OsbXYGlVMPb3jAKb8k4vEd2mT1nKfmLEWENxSysIzFIVpUrAAi eKK5AJYzDxfq6+rdtdc/sxqsotL7Uu/FRdEuHtjtlGCAsw2+9+DR+VGZ4zF15kVxK9Yk lYTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=UZUWVxCWrQrbsOUy2e1U0Sl4o1q/8Eqt6om0AFG+LA0=; b=ThRRVb99SKZTOGjVeouOwiWRtbuTqyVHYjCQcpOpd9jIeWwyjeMXhRgqNFjI3dlhbd QqST437N9CuSp/R1mgFIr9Ll+lLqdD5FhPj0948h+QrVoqxxfLKjyOL/tsdQ6ARNAoCf qKWnGjv06+8qC9oDowCLRl7ntouCYmWfEMlYVqWmDjzvYDckhKfBTuLI3BVoqAgTAbUK r2tOXfH3Huo2/AMHjFU3nHzgsNQucn2ZXJ+Mc4qZSBZHnaYH/9uFX/5MN1RBwlnavFM2 lfAEftO4coAFe2M5Xb84kLwQZ7STZnx6dOWLjvUXk6HR8WTHscgqsQxmE/Zh34eY8sGn Hquw== X-Gm-Message-State: AHQUAuZIU30Nmgsq1LWMthsCkji1YowQKNlz0t65DiBjX4zyj7vdxrud DvhBFHfcBI9zXLUluFyCNyqXszi4/zs= X-Google-Smtp-Source: AHgI3IaLt92oYaVZkuv6T4gCnR1ZEbRr+1YgRVeeMfAfms8j9SwmuqJbT+MIWEqDE5tO80szMUZKGw== X-Received: by 2002:ac8:34ed:: with SMTP id x42mr1062166qtb.173.1550110224757; Wed, 13 Feb 2019 18:10:24 -0800 (PST) Received: from localhost.localdomain (pool-72-71-243-63.cncdnh.fast00.myfairpoint.net. [72.71.243.63]) by smtp.googlemail.com with ESMTPSA id d63sm1091575qka.22.2019.02.13.18.10.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 13 Feb 2019 18:10:24 -0800 (PST) From: David Long To: stable@vger.kernel.org, Russell King - ARM Linux , Florian Fainelli , Julien Thierry , Tony Lindgren , Marc Zyngier , Greg KH , Mark Rutland Cc: Will Deacon , Mark Brown , linux-kernel@vger.kernel.org Subject: [PATCH 4.14 V2 00/17] V4.14 backport of more 32-bit arm spectre patches Date: Wed, 13 Feb 2019 21:10:05 -0500 Message-Id: <20190214021022.5313-1-dave.long@linaro.org> X-Mailer: git-send-email 2.17.1 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: "David A. Long" V4.14 backport of spectre patches from Russell M. King's spectre branch. Patches have been kvm-unit-test'ed on an arndale, run through kernelci, and handed off to ARM for functional testing. Julien Thierry (10): ARM: 8789/1: signal: copy registers using __copy_to_user() ARM: 8790/1: signal: always use __copy_to_user to save iwmmxt context ARM: 8791/1: vfp: use __copy_to_user() when saving VFP state ARM: 8792/1: oabi-compat: copy oabi events using __copy_to_user() ARM: 8793/1: signal: replace __put_user_error with __put_user ARM: 8794/1: uaccess: Prevent speculative use of the current addr_limit ARM: 8795/1: spectre-v1.1: use put_user() for __put_user() ARM: 8796/1: spectre-v1,v1.1: provide helpers for address sanitization ARM: 8797/1: spectre-v1.1: harden __copy_to_user ARM: 8810/1: vfp: Fix wrong assignement to ufp_exc Russell King (7): ARM: make lookup_processor_type() non-__init ARM: split out processor lookup ARM: clean up per-processor check_bugs method call ARM: add PROC_VTABLE and PROC_TABLE macros ARM: spectre-v2: per-CPU vtables to work around big.Little systems ARM: ensure that processor vtables is not lost after boot ARM: fix the cockup in the previous patch arch/arm/include/asm/assembler.h | 11 ++++ arch/arm/include/asm/cputype.h | 1 + arch/arm/include/asm/proc-fns.h | 61 ++++++++++++++++++----- arch/arm/include/asm/thread_info.h | 4 +- arch/arm/include/asm/uaccess.h | 49 +++++++++++++++--- arch/arm/kernel/bugs.c | 4 +- arch/arm/kernel/head-common.S | 6 +-- arch/arm/kernel/setup.c | 40 +++++++++------ arch/arm/kernel/signal.c | 80 ++++++++++++++++-------------- arch/arm/kernel/smp.c | 31 ++++++++++++ arch/arm/kernel/sys_oabi-compat.c | 8 ++- arch/arm/lib/copy_from_user.S | 6 +-- arch/arm/lib/copy_to_user.S | 6 ++- arch/arm/lib/uaccess_with_memcpy.c | 3 +- arch/arm/mm/proc-macros.S | 10 ++++ arch/arm/mm/proc-v7-bugs.c | 17 +------ arch/arm/vfp/vfpmodule.c | 20 +++----- 17 files changed, 245 insertions(+), 112 deletions(-) -- 2.17.1