From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757518Ab2IJSQg (ORCPT ); Mon, 10 Sep 2012 14:16:36 -0400 Received: from mail.x86-64.org ([217.9.48.20]:42984 "EHLO mail.x86-64.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751077Ab2IJSQf (ORCPT ); Mon, 10 Sep 2012 14:16:35 -0400 Date: Mon, 10 Sep 2012 20:16:14 +0200 From: Borislav Petkov To: Suresh Siddha Cc: hpa@zytor.com, mingo@kernel.org, torvalds@linux-foundation.org, andreas.herrmann3@amd.com, bp@amd64.org, robert.richter@amd.com, linux-kernel@vger.kernel.org, =?iso-8859-1?Q?Andr=E9?= Przywara Subject: Re: [PATCH v2 0/5] eagerfpu patches for tip/x86/fpu Message-ID: <20120910181614.GE4365@aftab.osrc.amd.com> References: <1347300665-6209-1-git-send-email-suresh.b.siddha@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1347300665-6209-1-git-send-email-suresh.b.siddha@intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 10, 2012 at 11:11:00AM -0700, Suresh Siddha wrote: + Andre. > v2 version of the previous patchset https://lkml.org/lkml/2012/9/7/548 > that decouples eagerfpu into a synthetic cpuid feature. > > changes from v1: > * Made "eagerfpu=" boot parameter tri-state > * removed the cpu_has_xmm check in the fx_finit (not related to eagerfpu > per-say, but this patchset touches that area of code). > > Suresh Siddha (5): > x86, fpu: decouple non-lazy/eager fpu restore from xsave > x86, fpu: enable eagerfpu by default for xsaveopt > x86, fpu: move check_fpu() after alternative_instructions() > x86, fpu: make eagerfpu= boot param tri-state > x86, fpu: remove cpu_has_xmm check in the fx_finit() > > Documentation/kernel-parameters.txt | 6 ++ > arch/x86/include/asm/cpufeature.h | 3 + > arch/x86/include/asm/fpu-internal.h | 53 ++++++++++++++------ > arch/x86/kernel/cpu/bugs.c | 7 ++- > arch/x86/kernel/cpu/common.c | 2 - > arch/x86/kernel/i387.c | 25 +++------ > arch/x86/kernel/process.c | 2 +- > arch/x86/kernel/traps.c | 2 +- > arch/x86/kernel/xsave.c | 95 ++++++++++++++++++++++++----------- > 9 files changed, 129 insertions(+), 66 deletions(-) > > -- > 1.7.6.5 > > -- Regards/Gruss, Boris. Advanced Micro Devices GmbH Einsteinring 24, 85609 Dornach GM: Alberto Bozzo Reg: Dornach, Landkreis Muenchen HRB Nr. 43632 WEEE Registernr: 129 19551