From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937066AbdIZIqx (ORCPT ); Tue, 26 Sep 2017 04:46:53 -0400 Received: from terminus.zytor.com ([65.50.211.136]:39455 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936810AbdIZIqt (ORCPT ); Tue, 26 Sep 2017 04:46:49 -0400 Date: Tue, 26 Sep 2017 01:37:53 -0700 From: tip-bot for Eric Biggers Message-ID: Cc: dvyukov@google.com, keescook@chromium.org, haokexin@gmail.com, akpm@linux-foundation.org, fenghua.yu@intel.com, luto@kernel.org, bp@alien8.de, peterz@infradead.org, ebiggers3@gmail.com, dave.hansen@linux.intel.com, mhalcrow@google.com, torvalds@linux-foundation.org, riel@redhat.com, ebiggers@google.com, linux-kernel@vger.kernel.org, mingo@kernel.org, wanpeng.li@hotmail.com, hpa@zytor.com, tglx@linutronix.de, yu-cheng.yu@intel.com, luto@amacapital.net, oleg@redhat.com Reply-To: keescook@chromium.org, dvyukov@google.com, haokexin@gmail.com, dave.hansen@linux.intel.com, ebiggers3@gmail.com, peterz@infradead.org, akpm@linux-foundation.org, bp@alien8.de, luto@kernel.org, fenghua.yu@intel.com, mhalcrow@google.com, torvalds@linux-foundation.org, riel@redhat.com, hpa@zytor.com, tglx@linutronix.de, ebiggers@google.com, linux-kernel@vger.kernel.org, mingo@kernel.org, wanpeng.li@hotmail.com, oleg@redhat.com, luto@amacapital.net, yu-cheng.yu@intel.com In-Reply-To: <20170924105913.9157-11-mingo@kernel.org> References: <20170924105913.9157-11-mingo@kernel.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/fpu] x86/fpu: Use using_compacted_format() instead of open coded X86_FEATURE_XSAVES Git-Commit-ID: 738f48cb5fdd5878d11934f1898aa2bcf1578289 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: 738f48cb5fdd5878d11934f1898aa2bcf1578289 Gitweb: http://git.kernel.org/tip/738f48cb5fdd5878d11934f1898aa2bcf1578289 Author: Eric Biggers AuthorDate: Sun, 24 Sep 2017 12:59:13 +0200 Committer: Ingo Molnar CommitDate: Tue, 26 Sep 2017 09:43:48 +0200 x86/fpu: Use using_compacted_format() instead of open coded X86_FEATURE_XSAVES This is the canonical method to use. Signed-off-by: Eric Biggers Cc: Andrew Morton Cc: Andy Lutomirski Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Dave Hansen Cc: Dmitry Vyukov Cc: Eric Biggers Cc: Fenghua Yu Cc: Kees Cook Cc: Kevin Hao Cc: Linus Torvalds Cc: Michael Halcrow Cc: Oleg Nesterov Cc: Peter Zijlstra Cc: Rik van Riel Cc: Thomas Gleixner Cc: Wanpeng Li Cc: Yu-cheng Yu Cc: kernel-hardening@lists.openwall.com Link: http://lkml.kernel.org/r/20170924105913.9157-11-mingo@kernel.org Signed-off-by: Ingo Molnar --- arch/x86/kernel/fpu/regset.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/fpu/regset.c b/arch/x86/kernel/fpu/regset.c index b831d5b..3ea1513 100644 --- a/arch/x86/kernel/fpu/regset.c +++ b/arch/x86/kernel/fpu/regset.c @@ -134,7 +134,7 @@ int xstateregs_set(struct task_struct *target, const struct user_regset *regset, fpu__prepare_write(fpu); - if (boot_cpu_has(X86_FEATURE_XSAVES)) { + if (using_compacted_format()) { if (kbuf) ret = copy_kernel_to_xstate(xsave, kbuf); else