From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757496Ab2IJSMI (ORCPT ); Mon, 10 Sep 2012 14:12:08 -0400 Received: from mga02.intel.com ([134.134.136.20]:29484 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756649Ab2IJSMF (ORCPT ); Mon, 10 Sep 2012 14:12:05 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.80,398,1344236400"; d="scan'208";a="191253080" From: Suresh Siddha To: hpa@zytor.com, mingo@kernel.org, torvalds@linux-foundation.org, andreas.herrmann3@amd.com, bp@amd64.org, robert.richter@amd.com Cc: linux-kernel@vger.kernel.org, Suresh Siddha Subject: [PATCH v2 0/5] eagerfpu patches for tip/x86/fpu Date: Mon, 10 Sep 2012 11:11:00 -0700 Message-Id: <1347300665-6209-1-git-send-email-suresh.b.siddha@intel.com> X-Mailer: git-send-email 1.7.6.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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