From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752833AbeBFQu4 (ORCPT ); Tue, 6 Feb 2018 11:50:56 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:41280 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752854AbeBFQu0 (ORCPT ); Tue, 6 Feb 2018 11:50:26 -0500 From: Laurent Dufour To: paulmck@linux.vnet.ibm.com, peterz@infradead.org, akpm@linux-foundation.org, kirill@shutemov.name, ak@linux.intel.com, mhocko@kernel.org, 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 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, Tim Chen , linuxppc-dev@lists.ozlabs.org, x86@kernel.org Subject: [PATCH v7 01/24] mm: Introduce CONFIG_SPECULATIVE_PAGE_FAULT Date: Tue, 6 Feb 2018 17:49:47 +0100 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1517935810-31177-1-git-send-email-ldufour@linux.vnet.ibm.com> References: <1517935810-31177-1-git-send-email-ldufour@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18020616-0020-0000-0000-000003F2EA99 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18020616-0021-0000-0000-0000428562A9 Message-Id: <1517935810-31177-2-git-send-email-ldufour@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2018-02-06_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-1802060212 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This configuration variable will be used to build the code needed to handle speculative page fault. By default it is turned off, and activated depending on architecture support. Suggested-by: Thomas Gleixner Signed-off-by: Laurent Dufour --- mm/Kconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/Kconfig b/mm/Kconfig index c782e8fb7235..42be0d92336e 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -760,3 +760,6 @@ config GUP_BENCHMARK performance of get_user_pages_fast(). See tools/testing/selftests/vm/gup_benchmark.c + +config SPECULATIVE_PAGE_FAULT + bool -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f197.google.com (mail-qt0-f197.google.com [209.85.216.197]) by kanga.kvack.org (Postfix) with ESMTP id 3D35E6B0029 for ; Tue, 6 Feb 2018 11:50:26 -0500 (EST) Received: by mail-qt0-f197.google.com with SMTP id z13so1921453qth.22 for ; Tue, 06 Feb 2018 08:50:26 -0800 (PST) Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com. [148.163.158.5]) by mx.google.com with ESMTPS id a5si1192547qtd.334.2018.02.06.08.50.25 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 06 Feb 2018 08:50:25 -0800 (PST) Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w16Gn6r0093051 for ; Tue, 6 Feb 2018 11:50:25 -0500 Received: from e06smtp15.uk.ibm.com (e06smtp15.uk.ibm.com [195.75.94.111]) by mx0a-001b2d01.pphosted.com with ESMTP id 2fyfr1snhb-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 06 Feb 2018 11:50:24 -0500 Received: from localhost by e06smtp15.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 6 Feb 2018 16:50:22 -0000 From: Laurent Dufour Subject: [PATCH v7 01/24] mm: Introduce CONFIG_SPECULATIVE_PAGE_FAULT Date: Tue, 6 Feb 2018 17:49:47 +0100 In-Reply-To: <1517935810-31177-1-git-send-email-ldufour@linux.vnet.ibm.com> References: <1517935810-31177-1-git-send-email-ldufour@linux.vnet.ibm.com> Message-Id: <1517935810-31177-2-git-send-email-ldufour@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: paulmck@linux.vnet.ibm.com, peterz@infradead.org, akpm@linux-foundation.org, kirill@shutemov.name, ak@linux.intel.com, mhocko@kernel.org, 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 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, Tim Chen , linuxppc-dev@lists.ozlabs.org, x86@kernel.org This configuration variable will be used to build the code needed to handle speculative page fault. By default it is turned off, and activated depending on architecture support. Suggested-by: Thomas Gleixner Signed-off-by: Laurent Dufour --- mm/Kconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/Kconfig b/mm/Kconfig index c782e8fb7235..42be0d92336e 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -760,3 +760,6 @@ config GUP_BENCHMARK performance of get_user_pages_fast(). See tools/testing/selftests/vm/gup_benchmark.c + +config SPECULATIVE_PAGE_FAULT + bool -- 2.7.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org