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=-12.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, 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 8DDA2C433E0 for ; Mon, 3 Aug 2020 18:47:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 724C02070A for ; Mon, 3 Aug 2020 18:47:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596480445; bh=0w67hvyd/00bwWNq4RqrFiO5auWeGm8H64DyD9ZQIfY=; h=Date:From:To:Cc:Subject:List-ID:From; b=PHnRZ99sjcCsYwHaQ0HwyRYOg4dtfCN+ABL11q3LOs5Aw48wcTQHvrNOhv0Q5y4eS gJ0uMDPQm2dbD87tUEJhstBfP80j+QU+gnWwWjN6rS0AnctdVZ1ysYksAzbMdCTaui wkABsFQMUvDptt1fAUjzC2ExqparOwsgondwjAj4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726802AbgHCSrY (ORCPT ); Mon, 3 Aug 2020 14:47:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44706 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725945AbgHCSrY (ORCPT ); Mon, 3 Aug 2020 14:47:24 -0400 Received: from mail-ed1-x541.google.com (mail-ed1-x541.google.com [IPv6:2a00:1450:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EEE5EC06174A for ; Mon, 3 Aug 2020 11:47:23 -0700 (PDT) Received: by mail-ed1-x541.google.com with SMTP id bs17so9235257edb.1 for ; Mon, 03 Aug 2020 11:47:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:mime-version :content-disposition; bh=uqDHAIUa0HxVXe12Avfm5Zv0Jo0lrG5p/rK3x08NonA=; b=jt9Eptfc/fzX266KAMowAp3I/gXyXiiWlE7jYMGSjnyjagaohwhOf71USsiquyzD64 BUP67sIGv8gFQrVbRvJL8dNJsOSTV9InrnM/q28bgsRSJCdWp9AYLlqPVrxs3vBtdJkF CAHI8u+6K6//e56TDvg6y1gyX2zgia4hbMlYoP0rxvstnxtfqifBV1PDEfqnhkKnFysM mC/MRIHaspktQLf8iH7aBJ0X/8scj+HYFbna6fgU8QBg2lhj3VTD8rTu9bSfepBhGQKZ S/a22xwek0Bre7Sq3Yuf2pwU1gnyLA13jzZh3FKxWu81lg9lXhcz3C5P53RkEcYhxO+G cxlQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :mime-version:content-disposition; bh=uqDHAIUa0HxVXe12Avfm5Zv0Jo0lrG5p/rK3x08NonA=; b=LGWFFJEPwpxaDHxCk0HhFb/cJOxj/TXv2RLXNQIdtNCqEzFhrKT6uuHeZV/hgBs3Dh lB5k+YIhZ8DU7FnOdK7XqhT8gKbATQG/HKVD47RtTeJX2/TxOI6vOYiqy+wnPutkf5hA W3QDw+EABZnRz/hDyfejGI6a0Pq9soViORvxQ2MJ5tTi6PtpFAMKQMUf1VOa7qA2J8Uy lhybI98XPCKta1LRqx/mEXfDYWh0v7omDdJQQuvlFDJ2DpbO4NmBkrtgG5Iw6CqE7ByW NdmRcfSmkLAc4nCtBon2Za9Avqlj8CNI6ev3UW4ldlyQNvKGepdCtkvEhDo23jng0HIz JH1Q== X-Gm-Message-State: AOAM530s39hCuzQoj+85Tdg3qhPi8Y/Vql9tGxgIXGULnW8hUkmQCVMA 6SjETW+3Yp0DXa2tELvnumG8P+v1 X-Google-Smtp-Source: ABdhPJyzrJMndqloNyqHBfS01eY/70qfZPgH1A7tkWdexT00dfaPtHnJipqlKLsI7M7kSasqAYPQfQ== X-Received: by 2002:a05:6402:2038:: with SMTP id ay24mr17234303edb.200.1596480442702; Mon, 03 Aug 2020 11:47:22 -0700 (PDT) Received: from gmail.com (54033286.catv.pool.telekom.hu. [84.3.50.134]) by smtp.gmail.com with ESMTPSA id cn27sm2156238edb.4.2020.08.03.11.47.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Aug 2020 11:47:22 -0700 (PDT) Date: Mon, 3 Aug 2020 20:47:20 +0200 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Thomas Gleixner , Borislav Petkov , Peter Zijlstra , Andrew Morton Subject: [GIT PULL] x86/misc changes for v5.9 Message-ID: <20200803184720.GA1230231@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus, Please pull the latest x86/misc git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-misc-2020-08-03 # HEAD: a7e1f67ed29f0c339e2aa7483d13b085127566ab x86/msr: Filter MSR writes Filter MSR writes from user-space by default, and print a syslog entry if they happen outside the allowed set of MSRs, which is a single one for now, MSR_IA32_ENERGY_PERF_BIAS. The plan is to eventually disable MSR writes by default (they can still be enabled via allow_writes=on). Signed-off-by: Ingo Molnar Thanks, Ingo ------------------> Borislav Petkov (1): x86/msr: Filter MSR writes arch/x86/kernel/msr.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+)