From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964854AbcFQUOS (ORCPT ); Fri, 17 Jun 2016 16:14:18 -0400 Received: from mga04.intel.com ([192.55.52.120]:28876 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933654AbcFQUNd (ORCPT ); Fri, 17 Jun 2016 16:13:33 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,485,1459839600"; d="scan'208";a="1000213678" From: Yu-cheng Yu To: linux-kernel@vger.kernel.org, x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar Cc: Dave Hansen , Sai Praneeth Prakhya , "Ravi V. Shankar" , Fenghua Yu , Yu-cheng Yu Subject: [PATCH 4/5] x86/fpu/xstate: Fix XSTATE component offset print out Date: Fri, 17 Jun 2016 13:07:18 -0700 Message-Id: <86602a8ac400626c6eca7125c3e15934866fc38e.1466179491.git.yu-cheng.yu@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Component offset print out was incorrect for XSAVES. Correct it and move to a separate function. Signed-off-by: Yu-cheng Yu Reviewed-by: Dave Hansen --- arch/x86/kernel/fpu/xstate.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c index 8d5fb03..bae8840 100644 --- a/arch/x86/kernel/fpu/xstate.c +++ b/arch/x86/kernel/fpu/xstate.c @@ -269,8 +269,6 @@ static void __init setup_xstate_features(void) WARN_ONCE(last_good_offset > xstate_offsets[i], "x86/fpu: misordered xstate at %d\n", last_good_offset); last_good_offset = xstate_offsets[i]; - - printk(KERN_INFO "x86/fpu: xstate_offset[%d]: %4d, xstate_sizes[%d]: %4d\n", i, ebx, i, eax); } } @@ -374,6 +372,21 @@ static void __init setup_xstate_comp(void) } /* + * Print out xstate component offsets and sizes + */ +static void __init print_xstate_offset_size(void) +{ + int i; + + for (i = FIRST_EXTENDED_XFEATURE; i < XFEATURE_MAX; i++) { + if (!xfeature_enabled(i)) + continue; + pr_info("x86/fpu: xstate_offset[%d]: %4d, xstate_sizes[%d]: %4d\n", + i, xstate_comp_offsets[i], i, xstate_sizes[i]); + } +} + +/* * setup the xstate image representing the init state */ static void __init setup_init_fpu_buf(void) @@ -708,6 +721,7 @@ void __init fpu__init_system_xstate(void) fpu__init_prepare_fx_sw_frame(); setup_init_fpu_buf(); setup_xstate_comp(); + print_xstate_offset_size(); pr_info("x86/fpu: Enabled xstate features 0x%llx, context size is %d bytes, using '%s' format.\n", xfeatures_mask, -- 1.9.1