From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754690AbdKJWH1 (ORCPT ); Fri, 10 Nov 2017 17:07:27 -0500 Received: from mga06.intel.com ([134.134.136.31]:6632 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754072AbdKJWH0 (ORCPT ); Fri, 10 Nov 2017 17:07:26 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,376,1505804400"; d="scan'208";a="226513" From: "Kirill A. Shutemov" To: Ingo Molnar , x86@kernel.org, Thomas Gleixner , "H. Peter Anvin" Cc: Linus Torvalds , Andy Lutomirski , Cyrill Gorcunov , Borislav Petkov , Andi Kleen , linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" Subject: [PATCHv2 0/4] x86: 5-level related changes into decompression code Date: Sat, 11 Nov 2017 01:06:41 +0300 Message-Id: <20171110220645.59944-1-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 2.14.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Ingo, Here's updated changes that prepare the code to boot-time switching between paging modes and handle booting in 5-level mode when bootloader put kernel image above 4G, but haven't enabled 5-level paging for us. I've updated patches based on your feedback. Please review and consider applying. Kirill A. Shutemov (4): x86/boot/compressed/64: Rename pagetable.c to kaslr_64.c x86/boot/compressed/64: Detect and handle 5-level paging at boot-time x86/boot/compressed/64: Introduce place_trampoline() x86/boot/compressed/64: Handle 5-level paging boot if kernel is above 4G arch/x86/boot/compressed/Makefile | 3 +- arch/x86/boot/compressed/head_64.S | 108 +++++++++++++-------- .../boot/compressed/{pagetable.c => kaslr_64.c} | 0 arch/x86/boot/compressed/pgtable.h | 18 ++++ arch/x86/boot/compressed/pgtable_64.c | 61 ++++++++++++ 5 files changed, 150 insertions(+), 40 deletions(-) rename arch/x86/boot/compressed/{pagetable.c => kaslr_64.c} (100%) create mode 100644 arch/x86/boot/compressed/pgtable.h create mode 100644 arch/x86/boot/compressed/pgtable_64.c -- 2.14.2