From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752738AbeBFQvW (ORCPT ); Tue, 6 Feb 2018 11:51:22 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:55398 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752862AbeBFQua (ORCPT ); Tue, 6 Feb 2018 11:50:30 -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 03/24] powerpc/mm: Define CONFIG_SPECULATIVE_PAGE_FAULT Date: Tue, 6 Feb 2018 17:49:49 +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: 18020616-0020-0000-0000-000003F2EA9B X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18020616-0021-0000-0000-0000428562AB Message-Id: <1517935810-31177-4-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 Define CONFIG_SPECULATIVE_PAGE_FAULT for BOOK3S_64 and SMP. This enables the Speculative Page Fault handler. Support is only provide for BOOK3S_64 currently because: - require CONFIG_PPC_STD_MMU because checks done in set_access_flags_filter() - require BOOK3S because we can't support for book3e_hugetlb_preload() called by update_mmu_cache() Signed-off-by: Laurent Dufour --- arch/powerpc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 9d3329811cc1..57c19ee79c00 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -232,6 +232,7 @@ config PPC select OLD_SIGACTION if PPC32 select OLD_SIGSUSPEND select SPARSE_IRQ + select SPECULATIVE_PAGE_FAULT if PPC_BOOK3S_64 && SMP select SYSCTL_EXCEPTION_TRACE select VIRT_TO_BUS if !PPC64 # -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw0-f199.google.com (mail-yw0-f199.google.com [209.85.161.199]) by kanga.kvack.org (Postfix) with ESMTP id CC8C96B002B for ; Tue, 6 Feb 2018 11:50:32 -0500 (EST) Received: by mail-yw0-f199.google.com with SMTP id z193so2675246ywd.13 for ; Tue, 06 Feb 2018 08:50:32 -0800 (PST) Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com. 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Violators will be prosecuted for from ; Tue, 6 Feb 2018 16:50:26 -0000 From: Laurent Dufour Subject: [PATCH v7 03/24] powerpc/mm: Define CONFIG_SPECULATIVE_PAGE_FAULT Date: Tue, 6 Feb 2018 17:49:49 +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: <1517935810-31177-4-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 Define CONFIG_SPECULATIVE_PAGE_FAULT for BOOK3S_64 and SMP. This enables the Speculative Page Fault handler. Support is only provide for BOOK3S_64 currently because: - require CONFIG_PPC_STD_MMU because checks done in set_access_flags_filter() - require BOOK3S because we can't support for book3e_hugetlb_preload() called by update_mmu_cache() Signed-off-by: Laurent Dufour --- arch/powerpc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 9d3329811cc1..57c19ee79c00 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -232,6 +232,7 @@ config PPC select OLD_SIGACTION if PPC32 select OLD_SIGSUSPEND select SPARSE_IRQ + select SPECULATIVE_PAGE_FAULT if PPC_BOOK3S_64 && SMP select SYSCTL_EXCEPTION_TRACE select VIRT_TO_BUS if !PPC64 # -- 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