From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757315AbcGJSQO (ORCPT ); Sun, 10 Jul 2016 14:16:14 -0400 Received: from terminus.zytor.com ([198.137.202.10]:53862 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755817AbcGJSQM (ORCPT ); Sun, 10 Jul 2016 14:16:12 -0400 Date: Sun, 10 Jul 2016 11:15:15 -0700 From: tip-bot for Yu-cheng Yu Message-ID: Cc: yu-cheng.yu@intel.com, bp@alien8.de, tglx@linutronix.de, dvlasenk@redhat.com, sai.praneeth.prakhya@intel.com, dave.hansen@intel.com, quentin.casasnovas@oracle.com, oleg@redhat.com, linux-kernel@vger.kernel.org, hpa@zytor.com, luto@kernel.org, dave.hansen@linux.intel.com, fenghua.yu@intel.com, torvalds@linux-foundation.org, ravi.v.shankar@intel.com, mingo@kernel.org, peterz@infradead.org, brgerst@gmail.com, jpoimboe@redhat.com Reply-To: linux-kernel@vger.kernel.org, dave.hansen@intel.com, quentin.casasnovas@oracle.com, oleg@redhat.com, dvlasenk@redhat.com, sai.praneeth.prakhya@intel.com, yu-cheng.yu@intel.com, bp@alien8.de, tglx@linutronix.de, brgerst@gmail.com, jpoimboe@redhat.com, mingo@kernel.org, peterz@infradead.org, dave.hansen@linux.intel.com, fenghua.yu@intel.com, torvalds@linux-foundation.org, ravi.v.shankar@intel.com, hpa@zytor.com, luto@kernel.org In-Reply-To: <86602a8ac400626c6eca7125c3e15934866fc38e.1466179491.git.yu-cheng.yu@intel.com> References: <86602a8ac400626c6eca7125c3e15934866fc38e.1466179491.git.yu-cheng.yu@intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/fpu] x86/fpu/xstate: Fix XSTATE component offset print out Git-Commit-ID: 996952e0148026ac0e512db5cad26e14f4267e8b X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 996952e0148026ac0e512db5cad26e14f4267e8b Gitweb: http://git.kernel.org/tip/996952e0148026ac0e512db5cad26e14f4267e8b Author: Yu-cheng Yu AuthorDate: Fri, 17 Jun 2016 13:07:18 -0700 Committer: Ingo Molnar CommitDate: Sun, 10 Jul 2016 17:12:10 +0200 x86/fpu/xstate: Fix XSTATE component offset print out 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 Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Brian Gerst Cc: Dave Hansen Cc: Denys Vlasenko Cc: Fenghua Yu Cc: H. Peter Anvin Cc: Josh Poimboeuf Cc: Linus Torvalds Cc: Oleg Nesterov Cc: Peter Zijlstra Cc: Quentin Casasnovas Cc: Ravi V. Shankar Cc: Sai Praneeth Prakhya Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/86602a8ac400626c6eca7125c3e15934866fc38e.1466179491.git.yu-cheng.yu@intel.com Signed-off-by: Ingo Molnar --- 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 56c0e70..09bac97 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) @@ -707,6 +720,7 @@ 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,