From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753127AbdJGADm (ORCPT ); Fri, 6 Oct 2017 20:03:42 -0400 Received: from mga09.intel.com ([134.134.136.24]:30415 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752840AbdJGADh (ORCPT ); Fri, 6 Oct 2017 20:03:37 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,486,1500966000"; d="scan'208";a="320525301" From: Andi Kleen To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, Andi Kleen Subject: [PATCH v9 1/5] x86/xsave: Move xsave initialization to after parsing early parameters Date: Fri, 6 Oct 2017 17:03:24 -0700 Message-Id: <20171007000328.12843-2-andi@firstfloor.org> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20171007000328.12843-1-andi@firstfloor.org> References: <20171007000328.12843-1-andi@firstfloor.org> 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. Reviewed-by: Thomas Gleixner Signed-off-by: Andi Kleen --- arch/x86/kernel/cpu/common.c | 2 -- arch/x86/kernel/setup.c | 3 +++ 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index c9176bae7fd8..fd47692e5ce9 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -903,8 +903,6 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c) } setup_force_cpu_cap(X86_FEATURE_ALWAYS); - fpu__init_system(c); - #ifdef CONFIG_X86_32 /* * Regardless of whether PCID is enumerated, the SDM says diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 0957dd73d127..2260e586295f 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -92,6 +92,7 @@ #include #include #include +#include #include #include @@ -992,6 +993,8 @@ 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 -- 2.13.6