Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp3200432yba; Tue, 16 Apr 2019 06:47:41 -0700 (PDT) X-Google-Smtp-Source: APXvYqwxkOJjsAPrLZS92i8BnFqM/APDd/9E8MeSMjxnD4GOfvk7/cFVBMXiiM3pNlzwCIvzsOvj X-Received: by 2002:aa7:8145:: with SMTP id d5mr82331949pfn.215.1555422461657; Tue, 16 Apr 2019 06:47:41 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1555422461; cv=none; d=google.com; s=arc-20160816; b=Ts3TQCne6T3MUEISy1pwkLTnzxws8k8Glbsk4pu5dhP0L3R8QmqMJsFxkFOjaTFxda oACCklakjdVV/bKeXh84zNyJolpOxPm8vldSoKc8w+m/1ukH0DBz3PQV8e1St75q/3LI nIPR5YRSJBcgsIBYmZ4TVQ4zsRy3bsZuWmN3mJq/sgBfcoXeySH7qJ0BGAxShfous1mi uta8x88Bo4hg9Fd1xgaKMh9Iew3dVaF9K5Xy0Qr70IjFfSKcBeLX6ICKPmXJYsS9UKgD JqZ0Yz9rrLPYTLCG1YKX7IzD4yJt0Gcn6lsoFE4rTC8aibpZ3ZBWIZv8b/2Ntk7TjRZ1 X46w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:content-transfer-encoding :mime-version:references:in-reply-to:date:subject:cc:to:from; bh=EOJUH5UxCRZTR6sReLNjhW1Ydu3e6MQFNMVn2SqWD7M=; b=zwE0faLCOIDUbeMwi1LvIwj+teF52uyxDesFghaESrkaqGwScQ8qrBlzxQV3DbyRMG WPq0rqxHoahKQQHTasDkuX9GYFfDLA5vPqC8pO61BJwvRPULBV5lAjuQxioCZu3TaT3C DQab2foV2P1VZlncyXVkodN5MhmvN8gkwjkXVbDEYZ1RWnXvhBNI5ahFHyjk1AiEmbIY 9vqCu6GwJUucZevFZg2GC4BTNvRt5pcIqHGl/TP1JJGL6bfg5rMKmmZ2FwaBQvOu5LyG 1J9o+mMVpUiWmM2YhuBNhA4hsZq+udod8bAbFEs537Ynfh4zfiOxabf6jecZPXc4bb5e 4pxw== 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 30si35796938plb.235.2019.04.16.06.47.25; Tue, 16 Apr 2019 06:47:41 -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 S1729288AbfDPNqi (ORCPT + 99 others); Tue, 16 Apr 2019 09:46:38 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:44690 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726641AbfDPNqg (ORCPT ); Tue, 16 Apr 2019 09:46:36 -0400 Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x3GDkHXf129521 for ; Tue, 16 Apr 2019 09:46:35 -0400 Received: from e06smtp02.uk.ibm.com (e06smtp02.uk.ibm.com [195.75.94.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 2rwe6cnnkw-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 16 Apr 2019 09:46:33 -0400 Received: from localhost by e06smtp02.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 16 Apr 2019 14:45:48 +0100 Received: from b06cxnps3075.portsmouth.uk.ibm.com (9.149.109.195) by e06smtp02.uk.ibm.com (192.168.101.132) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 16 Apr 2019 14:45:38 +0100 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x3GDjaDU61276172 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 16 Apr 2019 13:45:36 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C18A04C052; Tue, 16 Apr 2019 13:45:36 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 56A644C040; Tue, 16 Apr 2019 13:45:35 +0000 (GMT) Received: from nimbus.lab.toulouse-stg.fr.ibm.com (unknown [9.101.4.33]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 16 Apr 2019 13:45:35 +0000 (GMT) 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 , aneesh.kumar@linux.ibm.com, benh@kernel.crashing.org, mpe@ellerman.id.au, paulus@samba.org, Thomas Gleixner , Ingo Molnar , hpa@zytor.com, Will Deacon , Sergey Senozhatsky , sergey.senozhatsky.work@gmail.com, Andrea Arcangeli , Alexei Starovoitov , kemi.wang@intel.com, Daniel Jordan , David Rientjes , Jerome Glisse , Ganesh Mahendran , Minchan Kim , Punit Agrawal , vinayak menon , Yang Shi , zhong jiang , Haiyan Song , Balbir Singh , sj38.park@gmail.com, Michel Lespinasse , Mike Rapoport Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, haren@linux.vnet.ibm.com, npiggin@gmail.com, paulmck@linux.vnet.ibm.com, Tim Chen , linuxppc-dev@lists.ozlabs.org, x86@kernel.org Subject: [PATCH v12 04/31] arm64/mm: define ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT Date: Tue, 16 Apr 2019 15:44:55 +0200 X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190416134522.17540-1-ldufour@linux.ibm.com> References: <20190416134522.17540-1-ldufour@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19041613-0008-0000-0000-000002DA6FAB X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19041613-0009-0000-0000-00002246A833 Message-Id: <20190416134522.17540-5-ldufour@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-04-16_05:,, 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 mlxscore=0 impostorscore=0 mlxlogscore=975 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904160093 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Mahendran Ganesh Set ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT for arm64. This enables Speculative Page Fault handler. Signed-off-by: Ganesh Mahendran --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 870ef86a64ed..8e86934d598b 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -174,6 +174,7 @@ config ARM64 select SWIOTLB select SYSCTL_EXCEPTION_TRACE select THREAD_INFO_IN_TASK + select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT help ARM 64-bit (AArch64) Linux support. -- 2.21.0