Received: by 10.192.165.156 with SMTP id m28csp142546imm; Tue, 17 Apr 2018 07:50:37 -0700 (PDT) X-Google-Smtp-Source: AIpwx483XMZWXChVuFwEXFj64MbMdEHIyrgUUqjc05FM2jpnUIrmGrkzKw6IdNuRUDBE6PFNPs4S X-Received: by 2002:a17:902:f24:: with SMTP id 33-v6mr2389450ply.242.1523976637377; Tue, 17 Apr 2018 07:50:37 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1523976637; cv=none; d=google.com; s=arc-20160816; b=GPWMKosQGKbEOWMgVXX/kWFivm8VH4OSdLUsyhiEk6Jvli14RbkSdgtgRh67YzKfsN I0p0eujz04CVK18TmfFU94g7d/Qkaiak/1OU5pn//mDoZZ/QNZlcvwrNvEWPEhzY94Dn toLUDMmXm7n+x5/oUvwgcPt2er8pXFXoSDejQwskzWsUKZPXd13MUzSw134guNZ5Qmyj j5EF8CHtjc3Oc/kjawb9liBkK2+Wluo7PbT40rRnV5SpZ0Ozn8CZg1VFaTtwySOo1jkj kAMbHXXYbtOVyKylRCXGvrWF4p/Vp9JfKaU0+JJJ8Z4+zE+duD7mKUg2yZucRfuk3UrK /98A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:references:in-reply-to:date :subject:cc:to:from:arc-authentication-results; bh=czgiTwfiZT3Ik7OSTJ+0b/2ixJ4QxDDagfZa7czjTnY=; b=yJtNaoSNZmSYlxMmlXlMB8w72C2gCcCEni9s4X/ykoBjOp/hi32v/els2h/wQ/xRW7 SnQgUVWZjJFovosegoH6xzOSzWzyejnsRmBUDVFQIY2xqFVT2uf2iriJVmTJCDxqVYWT Q2Dxsxm5iufii2XOdoBh5qYD4CkvhuoAZ16nmym/NXXbxc6r3W2/9Ri9c8tgWOBbqFtQ aJoZV0yxoR7ukvS1h7wy2bE0DQoV0CAHRw9sxmW57Pa35fE0Cq0suDipS5Su8MedHHen AwFLfqfEx/tAY4we9wK99jmJLFvN+AwWmEWwzODJUvf2K85eouwe6MaVNH3lEeIHi0sX +K7Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id r7-v6si1555429pls.591.2018.04.17.07.50.23; Tue, 17 Apr 2018 07:50:37 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753331AbeDQOd7 (ORCPT + 99 others); Tue, 17 Apr 2018 10:33:59 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:48060 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753271AbeDQOdx (ORCPT ); Tue, 17 Apr 2018 10:33:53 -0400 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w3HET2aZ054897 for ; Tue, 17 Apr 2018 10:33:53 -0400 Received: from e06smtp13.uk.ibm.com (e06smtp13.uk.ibm.com [195.75.94.109]) by mx0a-001b2d01.pphosted.com with ESMTP id 2hdjd11nk3-1 (version=TLSv1.2 cipher=AES256-SHA256 bits=256 verify=NOT) for ; Tue, 17 Apr 2018 10:33:53 -0400 Received: from localhost by e06smtp13.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 17 Apr 2018 15:33:48 +0100 Received: from b06cxnps4075.portsmouth.uk.ibm.com (9.149.109.197) by e06smtp13.uk.ibm.com (192.168.101.143) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Tue, 17 Apr 2018 15:33:40 +0100 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w3HEXeq945285408; Tue, 17 Apr 2018 14:33:40 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 31AD6A4040; Tue, 17 Apr 2018 15:25:49 +0100 (BST) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 12F93A404D; Tue, 17 Apr 2018 15:25:47 +0100 (BST) Received: from nimbus.lab.toulouse-stg.fr.ibm.com (unknown [9.145.171.143]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 17 Apr 2018 15:25:46 +0100 (BST) From: Laurent Dufour To: akpm@linux-foundation.org, mhocko@kernel.org, peterz@infradead.org, kirill@shutemov.name, ak@linux.intel.com, dave@stgolabs.net, jack@suse.cz, Matthew Wilcox , benh@kernel.crashing.org, mpe@ellerman.id.au, paulus@samba.org, Thomas Gleixner , Ingo Molnar , hpa@zytor.com, Will Deacon , Sergey Senozhatsky , Andrea Arcangeli , Alexei Starovoitov , kemi.wang@intel.com, sergey.senozhatsky.work@gmail.com, Daniel Jordan , David Rientjes , Jerome Glisse , Ganesh Mahendran Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, haren@linux.vnet.ibm.com, khandual@linux.vnet.ibm.com, npiggin@gmail.com, bsingharora@gmail.com, paulmck@linux.vnet.ibm.com, Tim Chen , linuxppc-dev@lists.ozlabs.org, x86@kernel.org Subject: [PATCH v10 02/25] x86/mm: define ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT Date: Tue, 17 Apr 2018 16:33:08 +0200 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1523975611-15978-1-git-send-email-ldufour@linux.vnet.ibm.com> References: <1523975611-15978-1-git-send-email-ldufour@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18041714-0012-0000-0000-000005CBDCCF X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18041714-0013-0000-0000-000019482807 Message-Id: <1523975611-15978-3-git-send-email-ldufour@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-04-17_07:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1804170131 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Set ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT which turns on the Speculative Page Fault handler when building for 64bit. Cc: Thomas Gleixner Signed-off-by: Laurent Dufour --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d8983df5a2bc..ebdeb48e4a4a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -30,6 +30,7 @@ config X86_64 select MODULES_USE_ELF_RELA select X86_DEV_DMA_OPS select ARCH_HAS_SYSCALL_WRAPPER + select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT # # Arch settings -- 2.7.4