From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752467AbdLLLr1 (ORCPT ); Tue, 12 Dec 2017 06:47:27 -0500 Received: from mga04.intel.com ([192.55.52.120]:29000 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752425AbdLLLrX (ORCPT ); Tue, 12 Dec 2017 06:47:23 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,395,1508828400"; d="scan'208";a="11199868" From: "Kirill A. Shutemov" To: Tom Lendacky , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" Cc: x86@kernel.org, Borislav Petkov , Brijesh Singh , linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" Subject: [PATCH 0/3] x86/mm/encrypt: Simplify pgtable helpers Date: Tue, 12 Dec 2017 14:45:41 +0300 Message-Id: <20171212114544.56680-1-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 2.15.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset simplifies sme_populate_pgd(), sme_populate_pgd_large() and sme_pgtable_calc() functions. As a side effect, the patchset makes encryption code ready to boot-time switching between paging modes. The patchset is build on top of Tom's "x86: SME: BSP/SME microcode update fix" patchset. It was only build-tested. Tom, could you please get it tested properly? 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 | 169 ++++--------------------------------- arch/x86/mm/mem_encrypt_identity.c | 123 +++++++++++++++++++++++++++ arch/x86/mm/mm_internal.h | 4 + 4 files changed, 150 insertions(+), 159 deletions(-) create mode 100644 arch/x86/mm/mem_encrypt_identity.c -- 2.15.0