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=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,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 D034EC67863 for ; Tue, 23 Oct 2018 16:32:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A1D1E20652 for ; Tue, 23 Oct 2018 16:32:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A1D1E20652 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728578AbeJXA4O (ORCPT ); Tue, 23 Oct 2018 20:56:14 -0400 Received: from mga12.intel.com ([192.55.52.136]:65112 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728555AbeJXA4O (ORCPT ); Tue, 23 Oct 2018 20:56:14 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Oct 2018 09:32:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,416,1534834800"; d="scan'208";a="84947007" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga006.jf.intel.com with ESMTP; 23 Oct 2018 09:32:05 -0700 Received: by black.fi.intel.com (Postfix, from userid 1000) id 37BF0BA; Tue, 23 Oct 2018 19:32:04 +0300 (EEST) From: "Kirill A. Shutemov" To: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org Cc: x86@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" Subject: [PATCH 0/2] Fix couple of issues with LDT remap for PTI Date: Tue, 23 Oct 2018 19:31:55 +0300 Message-Id: <20181023163157.41441-1-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The patchset fixes issues with LDT remap for PTI: - Layout collision due to KASLR with 5-level paging; - Information leak via Meltdown-like attack; Please review and consider applying. Kirill A. Shutemov (2): x86/mm: Move LDT remap out of KASLR region on 5-level paging x86/ldt: Unmap PTEs for the slow before freeing LDT Documentation/x86/x86_64/mm.txt | 8 ++-- arch/x86/include/asm/page_64_types.h | 12 ++--- arch/x86/include/asm/pgtable_64_types.h | 4 +- arch/x86/kernel/ldt.c | 59 ++++++++++++++++--------- arch/x86/xen/mmu_pv.c | 6 +-- 5 files changed, 53 insertions(+), 36 deletions(-) -- 2.19.1