From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751796AbeAWRTg (ORCPT ); Tue, 23 Jan 2018 12:19:36 -0500 Received: from mga11.intel.com ([192.55.52.93]:28591 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751683AbeAWRTe (ORCPT ); Tue, 23 Jan 2018 12:19:34 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,402,1511856000"; d="scan'208";a="25725988" From: "Kirill A. Shutemov" To: Ingo Molnar , x86@kernel.org, Thomas Gleixner , "H. Peter Anvin" , Tom Lendacky Cc: Linus Torvalds , Borislav Petkov , linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" Subject: [PATCHv2 0/3] x86/mm/encrypt: Cleanup and switching between paging modes Date: Tue, 23 Jan 2018 20:19:07 +0300 Message-Id: <20180123171910.55841-1-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 2.15.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patcheset is a preparation set for boot-time switching between paging modes. Please review and consider applying. Code around sme_populate_pgd() is unnecessary complex and hard to modify. This patchset rewrites it in more stream-lined way to add support of boot-time switching between paging modes. I haven't tested the patchset on hardware capable of memory encryption. v2: - Rebased to up-to-date tip Kirill A. Shutemov (3): x86/mm/encrypt: Move sme_populate_pgd*() into separate translation unit x86/mm/encrypt: Rewrite sme_populate_pgd() and sme_populate_pgd_large() x86/mm/encrypt: Rewrite sme_pgtable_calc() arch/x86/mm/Makefile | 13 +-- arch/x86/mm/mem_encrypt.c | 171 +++---------------------------------- arch/x86/mm/mem_encrypt_identity.c | 118 +++++++++++++++++++++++++ arch/x86/mm/mm_internal.h | 14 +++ 4 files changed, 152 insertions(+), 164 deletions(-) create mode 100644 arch/x86/mm/mem_encrypt_identity.c -- 2.15.1