From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932247AbeCLKC6 (ORCPT ); Mon, 12 Mar 2018 06:02:58 -0400 Received: from mga18.intel.com ([134.134.136.126]:10663 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751229AbeCLKC5 (ORCPT ); Mon, 12 Mar 2018 06:02:57 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.47,460,1515484800"; d="scan'208";a="37996176" 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 , Matthew Wilcox , linux-mm@kvack.org, linux-kernel@vger.kernel.org, "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> X-Mailer: git-send-email 2.16.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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