From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751934AbdKZSKQ (ORCPT ); Sun, 26 Nov 2017 13:10:16 -0500 Received: from Galois.linutronix.de ([146.0.238.70]:52165 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751270AbdKZSJj (ORCPT ); Sun, 26 Nov 2017 13:09:39 -0500 Message-Id: <20171126175538.841453476@linutronix.de> User-Agent: quilt/0.63-1 Date: Sun, 26 Nov 2017 18:55:38 +0100 From: Thomas Gleixner To: LKML Cc: Dave Hansen , Andy Lutomirski , Ingo Molnar , Borislav Petkov , Brian Gerst , Denys Vlasenko , "H. Peter Anvin" , Josh Poimboeuf , Linus Torvalds , Peter Zijlstra , Rik van Riel , daniel.gruss@iaik.tugraz.at, hughd@google.com, keescook@google.com, linux-mm@kvack.org, michael.schwarz@iaik.tugraz.at, moritz.lipp@iaik.tugraz.at, richard.fellner@student.tugraz.at Subject: [patch 0/4] x86/kaiser: Boot time disabling and debug support Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series applies on top of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/mm It contains the following updates: - Get rid of the compile time PAGE_GLOBAL disabling - Add debug support for WX mappings in the KAISER shadow table - Provide debug files to dump the kernel and the user page table for the current task. - Add a boot time switch to disable KAISER. This does not yet take care of the 8k PGD allocations, but that can be done on top. Thanks, tglx --- arch/x86/entry/calling.h | 7 +++ arch/x86/include/asm/kaiser.h | 8 +++ arch/x86/include/asm/pgtable.h | 1 arch/x86/include/asm/pgtable_64.h | 6 ++ arch/x86/include/asm/pgtable_types.h | 16 ------ arch/x86/mm/debug_pagetables.c | 81 ++++++++++++++++++++++++++++++++--- arch/x86/mm/dump_pagetables.c | 27 +++++++++-- arch/x86/mm/init.c | 14 ++++-- arch/x86/mm/kaiser.c | 30 ++++++++++++ arch/x86/mm/pageattr.c | 16 +++--- security/Kconfig | 2 11 files changed, 170 insertions(+), 38 deletions(-)