From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933600AbaE3PLx (ORCPT ); Fri, 30 May 2014 11:11:53 -0400 Received: from terminus.zytor.com ([198.137.202.10]:44122 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933498AbaE3PLu (ORCPT ); Fri, 30 May 2014 11:11:50 -0400 Date: Fri, 30 May 2014 08:11:34 -0700 From: tip-bot for Fenghua Yu Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, fenghua.yu@intel.com, tglx@linutronix.de, hpa@linux.intel.com Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, fenghua.yu@intel.com, tglx@linutronix.de, hpa@linux.intel.com In-Reply-To: <1401387164-43416-7-git-send-email-fenghua.yu@intel.com> References: <1401387164-43416-7-git-send-email-fenghua.yu@intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/xsave] x86/xsaves: Define macros for xsave instructions Git-Commit-ID: 200b08a970b2ae764b670a326088ab8bc0a989cc 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: 200b08a970b2ae764b670a326088ab8bc0a989cc Gitweb: http://git.kernel.org/tip/200b08a970b2ae764b670a326088ab8bc0a989cc Author: Fenghua Yu AuthorDate: Thu, 29 May 2014 11:12:34 -0700 Committer: H. Peter Anvin CommitDate: Thu, 29 May 2014 14:31:16 -0700 x86/xsaves: Define macros for xsave instructions Define macros for xsave, xsaveopt, xsaves, xrstor, and xrstors inline instructions. The instructions will be used for saving and restoring xstate. Signed-off-by: Fenghua Yu Link: http://lkml.kernel.org/r/1401387164-43416-7-git-send-email-fenghua.yu@intel.com Signed-off-by: H. Peter Anvin --- arch/x86/include/asm/xsave.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h index d949ef2..71bdde4 100644 --- a/arch/x86/include/asm/xsave.h +++ b/arch/x86/include/asm/xsave.h @@ -52,6 +52,12 @@ extern void xsave_init(void); extern void update_regset_xstate_info(unsigned int size, u64 xstate_mask); extern int init_fpu(struct task_struct *child); +#define XSAVE ".byte " REX_PREFIX "0x0f,0xae,0x27" +#define XSAVEOPT ".byte " REX_PREFIX "0x0f,0xae,0x37" +#define XSAVES ".byte " REX_PREFIX "0x0f,0xc7,0x2f" +#define XRSTOR ".byte " REX_PREFIX "0x0f,0xae,0x2f" +#define XRSTORS ".byte " REX_PREFIX "0x0f,0xc7,0x1f" + static inline int fpu_xrstor_checking(struct xsave_struct *fx) { int err;