From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751134AbdEaWWt (ORCPT ); Wed, 31 May 2017 18:22:49 -0400 Received: from mga03.intel.com ([134.134.136.65]:29447 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750954AbdEaWWq (ORCPT ); Wed, 31 May 2017 18:22:46 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.39,276,1493708400"; d="scan'208";a="1155105343" From: Andi Kleen To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, Andi Kleen Subject: [PATCH 1/5] x86/xsave: Move xsave initialization to after parsing early parameters Date: Wed, 31 May 2017 15:22:37 -0700 Message-Id: <20170531222241.9241-1-andi@firstfloor.org> X-Mailer: git-send-email 2.9.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen Move the XSAVE initialization code to be after parsing early parameters. I don't see any reason why the FPU code needs to be initialized that early, nothing else in the initialization phase uses XSAVE. This is useful to be able to handle command line parameters in the XSAVE initialization code. Signed-off-by: Andi Kleen --- arch/x86/kernel/cpu/common.c | 1 - arch/x86/kernel/setup.c | 3 +++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index c8b39870f33e..60b7aa6330ed 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -885,7 +885,6 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c) } setup_force_cpu_cap(X86_FEATURE_ALWAYS); - fpu__init_system(c); } void __init early_cpu_init(void) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index f81823695014..77db31315af3 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -91,6 +91,7 @@ #include #include #include +#include #include #include @@ -982,6 +983,8 @@ void __init setup_arch(char **cmdline_p) parse_early_param(); + fpu__init_system(&boot_cpu_data); + #ifdef CONFIG_MEMORY_HOTPLUG /* * Memory used by the kernel cannot be hot-removed because Linux -- 2.9.4