From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f198.google.com (mail-pf0-f198.google.com [209.85.192.198]) by kanga.kvack.org (Postfix) with ESMTP id 71E096B0003 for ; Mon, 12 Mar 2018 06:02:58 -0400 (EDT) Received: by mail-pf0-f198.google.com with SMTP id j12so5519617pff.18 for ; Mon, 12 Mar 2018 03:02:58 -0700 (PDT) Received: from mga02.intel.com (mga02.intel.com. [134.134.136.20]) by mx.google.com with ESMTPS id b66si3050064pgc.148.2018.03.12.03.02.57 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 12 Mar 2018 03:02:57 -0700 (PDT) From: "Kirill A. Shutemov" Subject: [PATCH 0/4] x86/boot/compressed/64: Switch between paging modes using trampoline Date: Mon, 12 Mar 2018 13:02:42 +0300 Message-Id: <20180312100246.89175-1-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 , Matthew Wilcox , linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" This patchset changes kernel decompression code to use trampoline to switch between paging modes. The patchset is replacement for previously reverted patch "Handle 5-level paging boot if kernel is above 4G". Please review and consider applying. Kirill A. Shutemov (4): x86/boot/compressed/64: Make sure we have 32-bit code segment x86/boot/compressed/64: Use stack from trampoline memory x86/boot/compressed/64: Use page table in trampoline memory x86/boot/compressed/64: Handle 5-level paging boot if kernel is above 4G arch/x86/boot/compressed/head_64.S | 128 ++++++++++++++++++++++++++----------- 1 file changed, 90 insertions(+), 38 deletions(-) -- 2.16.1