From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AAF9BC433E7 for ; Wed, 14 Oct 2020 08:35:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 55CA4214D8 for ; Wed, 14 Oct 2020 08:35:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="kDnMN13V" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729395AbgJNIfN (ORCPT ); Wed, 14 Oct 2020 04:35:13 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:38966 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726119AbgJNIfM (ORCPT ); Wed, 14 Oct 2020 04:35:12 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 09E8YI7M186148; Wed, 14 Oct 2020 08:34:56 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=corp-2020-01-29; bh=rg0xSo5FhydTErKxas68rHq7YrKqqteB+Ff0Hk9ivdA=; b=kDnMN13Vj5stPAKXHNwEDiilSWkX29QeVB7JmQd4DssmSHjnD9naTnkqRJg0w/M2j709 ZJ2p8Pcx6mNGDadyWuAN38ICIrNYYbK85i/MEMiqkTMu9x6nW/4cORmqkc2WNp38Ya5E 0Ph7jMwFPplQ4M/pqDnpoTXLMmnoapvm2lEDfaXdICfYZhmFz+FPIvWpWGZNHieLEnbG QEY7CfFl8Yt8TgytJCEE8p4tnQvXFbjZlxLycoskaBgM0WPcNEE/WrehVnHn6uEYXeU3 xL3SbfLHBq41C7pPNkmjnTqX8ybSvgUWNFkOluHwVnj1tGYEeEnwWMegXDmlOzXyT/+U /g== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by aserp2120.oracle.com with ESMTP id 3434wkp6bh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 14 Oct 2020 08:34:56 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 09E8UZR5111643; Wed, 14 Oct 2020 08:32:55 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userp3030.oracle.com with ESMTP id 343pvxfsma-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 14 Oct 2020 08:32:55 +0000 Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 09E8WnHu021251; Wed, 14 Oct 2020 08:32:49 GMT Received: from monad.ca.oracle.com (/10.156.74.184) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 14 Oct 2020 01:32:49 -0700 From: Ankur Arora To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: kirill@shutemov.name, mhocko@kernel.org, boris.ostrovsky@oracle.com, konrad.wilk@oracle.com, Ankur Arora , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Tony Luck , Pawan Gupta , Josh Poimboeuf , "Peter Zijlstra (Intel)" , Mark Gross , Kim Phillips , Vineela Tummalapalli , Wei Huang Subject: [PATCH 1/8] x86/cpuid: add X86_FEATURE_NT_GOOD Date: Wed, 14 Oct 2020 01:32:52 -0700 Message-Id: <20201014083300.19077-2-ankur.a.arora@oracle.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201014083300.19077-1-ankur.a.arora@oracle.com> References: <20201014083300.19077-1-ankur.a.arora@oracle.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9773 signatures=668681 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 mlxscore=0 adultscore=0 bulkscore=0 mlxlogscore=999 suspectscore=0 malwarescore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2010140061 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9773 signatures=668681 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 lowpriorityscore=0 mlxscore=0 malwarescore=0 phishscore=0 suspectscore=0 impostorscore=0 clxscore=1011 spamscore=0 priorityscore=1501 bulkscore=0 adultscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2010140062 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Enabled on microarchitectures with performant non-temporal MOV (MOVNTI) instruction. Signed-off-by: Ankur Arora --- arch/x86/include/asm/cpufeatures.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index 7b0afd5e6c57..8bae38240346 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -289,6 +289,7 @@ #define X86_FEATURE_FENCE_SWAPGS_KERNEL (11*32+ 5) /* "" LFENCE in kernel entry SWAPGS path */ #define X86_FEATURE_SPLIT_LOCK_DETECT (11*32+ 6) /* #AC for split lock */ #define X86_FEATURE_PER_THREAD_MBA (11*32+ 7) /* "" Per-thread Memory Bandwidth Allocation */ +#define X86_FEATURE_NT_GOOD (11*32+ 8) /* Non-temporal instructions perform well */ /* Intel-defined CPU features, CPUID level 0x00000007:1 (EAX), word 12 */ #define X86_FEATURE_AVX512_BF16 (12*32+ 5) /* AVX512 BFLOAT16 instructions */ -- 2.9.3