| Message ID | 20201014083300.19077-2-ankur.a.arora@oracle.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show
Return-Path: <SRS0=RPMH=DV=kvack.org=owner-linux-mm@kernel.org>
Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org
[172.30.200.123])
by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B9CEA921
for <patchwork-linux-mm@patchwork.kernel.org>;
Wed, 14 Oct 2020 08:35:07 +0000 (UTC)
Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17])
by mail.kernel.org (Postfix) with ESMTP id 697FE221EB
for <patchwork-linux-mm@patchwork.kernel.org>;
Wed, 14 Oct 2020 08:35:07 +0000 (UTC)
Authentication-Results: mail.kernel.org;
dkim=fail reason="signature verification failed" (2048-bit key)
header.d=oracle.com header.i=@oracle.com header.b="kDnMN13V"
DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 697FE221EB
Authentication-Results: mail.kernel.org;
dmarc=fail (p=none dis=none) header.from=oracle.com
Authentication-Results: mail.kernel.org;
spf=pass smtp.mailfrom=owner-linux-mm@kvack.org
Received: by kanga.kvack.org (Postfix)
id 9F9396B005D; Wed, 14 Oct 2020 04:35:06 -0400 (EDT)
Delivered-To: linux-mm-outgoing@kvack.org
Received: by kanga.kvack.org (Postfix, from userid 40)
id 98270900002; Wed, 14 Oct 2020 04:35:06 -0400 (EDT)
X-Original-To: int-list-linux-mm@kvack.org
X-Delivered-To: int-list-linux-mm@kvack.org
Received: by kanga.kvack.org (Postfix, from userid 63042)
id 84C866B0068; Wed, 14 Oct 2020 04:35:06 -0400 (EDT)
X-Original-To: linux-mm@kvack.org
X-Delivered-To: linux-mm@kvack.org
Received: from forelay.hostedemail.com (smtprelay0119.hostedemail.com
[216.40.44.119])
by kanga.kvack.org (Postfix) with ESMTP id 53C406B005D
for <linux-mm@kvack.org>; Wed, 14 Oct 2020 04:35:06 -0400 (EDT)
Received: from smtpin01.hostedemail.com (10.5.19.251.rfc1918.com
[10.5.19.251])
by forelay02.hostedemail.com (Postfix) with ESMTP id D85023628
for <linux-mm@kvack.org>; Wed, 14 Oct 2020 08:35:05 +0000 (UTC)
X-FDA: 77369870970.01.week69_14078cb2720a
Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251])
by smtpin01.hostedemail.com (Postfix) with ESMTP id A998110046466
for <linux-mm@kvack.org>; Wed, 14 Oct 2020 08:35:05 +0000 (UTC)
X-Spam-Summary:
1,0,0,,d41d8cd98f00b204,ankur.a.arora@oracle.com,,RULES_HIT:30054:30055:30064,0,RBL:141.146.126.78:@oracle.com:.lbl8.mailshell.net-62.18.0.100
64.10.201.10;04yrxpgebg4kfjf8g7yt5jab3txhpycf3qe8qs9xy86gjhj6ksa943hjjopx9cy.as3o8nm7sx39o8xsmprxsc3jgh3r1i6oory78zpbrgekcxouxzyyopmqzu51xqs.k-lbl8.mailshell.net-223.238.255.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not
bulk,SPF:ft,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:24,LUA_SUMMARY:none
X-HE-Tag: week69_14078cb2720a
X-Filterd-Recvd-Size: 4943
Received: from aserp2120.oracle.com (aserp2120.oracle.com [141.146.126.78])
by imf24.hostedemail.com (Postfix) with ESMTP
for <linux-mm@kvack.org>; Wed, 14 Oct 2020 08:35:05 +0000 (UTC)
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 <ankur.a.arora@oracle.com>
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 <ankur.a.arora@oracle.com>,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>, x86@kernel.org,
"H. Peter Anvin" <hpa@zytor.com>, Tony Luck <tony.luck@intel.com>,
Pawan Gupta <pawan.kumar.gupta@linux.intel.com>,
Josh Poimboeuf <jpoimboe@redhat.com>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
Mark Gross <mgross@linux.intel.com>,
Kim Phillips <kim.phillips@amd.com>,
Vineela Tummalapalli <vineela.tummalapalli@intel.com>,
Wei Huang <wei.huang2@amd.com>
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
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
Content-Transfer-Encoding: quoted-printable
X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4
Sender: owner-linux-mm@kvack.org
Precedence: bulk
X-Loop: owner-majordomo@kvack.org
List-ID: <linux-mm.kvack.org>
|
| Series |
Use uncached writes while clearing gigantic pages
|
expand
|
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 */
Enabled on microarchitectures with performant non-temporal MOV (MOVNTI) instruction. Signed-off-by: Ankur Arora <ankur.a.arora@oracle.com> --- arch/x86/include/asm/cpufeatures.h | 1 + 1 file changed, 1 insertion(+)