From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f200.google.com (mail-pf0-f200.google.com [209.85.192.200]) by kanga.kvack.org (Postfix) with ESMTP id 6CE7F2802A1 for ; Fri, 10 Nov 2017 17:07:27 -0500 (EST) Received: by mail-pf0-f200.google.com with SMTP id g75so8739442pfg.4 for ; Fri, 10 Nov 2017 14:07:27 -0800 (PST) Received: from mga07.intel.com (mga07.intel.com. [134.134.136.100]) by mx.google.com with ESMTPS id j8si9961662pli.503.2017.11.10.14.07.26 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 10 Nov 2017 14:07:26 -0800 (PST) From: "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> Sender: owner-linux-mm@kvack.org List-ID: 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" 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org