Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S947490AbcJaWS6 (ORCPT ); Mon, 31 Oct 2016 18:18:58 -0400 Received: from mail.kernel.org ([198.145.29.136]:39094 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S947474AbcJaWS4 (ORCPT ); Mon, 31 Oct 2016 18:18:56 -0400 From: Andy Lutomirski To: x86@kernel.org Cc: Borislav Petkov , linux-kernel@vger.kernel.org, Rusty Russell , Paolo Bonzini , Rik van Riel , kvm list , Andy Lutomirski Subject: [PATCH 0/8] x86/fpu: Remove CR0.TS support Date: Mon, 31 Oct 2016 15:18:41 -0700 Message-Id: X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1852 Lines: 42 We don't do anything useful with CR0.TS anymore, so remove most of our support for it. I havne't meaningfully tested lguest because I can't get it to work even without these patches. Andy Lutomirski (8): fpu/init: Get rid of two redundant clts() calls fpu/bugs: Stop saving and restoring CR0.TS in fpu__init_check_bugs() x86/fpu: Remove irq_ts_save() and irq_ts_restore() x86/kvm: Remove host CR0.TS manipulation lguest: Remove CR0.TS support x86/fpu: #NM without FPU emulation is an error x86/fpu: Remove stts() x86/fpu: Remove clts() arch/x86/include/asm/fpu/api.h | 10 ---------- arch/x86/include/asm/lguest_hcall.h | 1 - arch/x86/include/asm/paravirt.h | 5 ----- arch/x86/include/asm/paravirt_types.h | 2 -- arch/x86/include/asm/special_insns.h | 13 ------------- arch/x86/kernel/fpu/bugs.c | 7 ------- arch/x86/kernel/fpu/core.c | 29 ----------------------------- arch/x86/kernel/fpu/init.c | 18 ------------------ arch/x86/kernel/paravirt.c | 1 - arch/x86/kernel/paravirt_patch_32.c | 2 -- arch/x86/kernel/paravirt_patch_64.c | 2 -- arch/x86/kernel/traps.c | 20 ++++++++++++++++---- arch/x86/kvm/vmx.c | 12 ++++-------- arch/x86/kvm/x86.c | 5 ----- arch/x86/lguest/boot.c | 29 +++++++---------------------- arch/x86/xen/enlighten.c | 13 ------------- drivers/char/hw_random/via-rng.c | 8 ++------ drivers/crypto/padlock-aes.c | 23 ++--------------------- drivers/crypto/padlock-sha.c | 18 ------------------ drivers/lguest/hypercalls.c | 4 ---- drivers/lguest/lg.h | 1 - drivers/lguest/x86/core.c | 19 +------------------ 22 files changed, 32 insertions(+), 210 deletions(-) -- 2.7.4