From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f71.google.com (mail-wm0-f71.google.com [74.125.82.71]) by kanga.kvack.org (Postfix) with ESMTP id 836106B0253 for ; Wed, 11 Oct 2017 09:53:03 -0400 (EDT) Received: by mail-wm0-f71.google.com with SMTP id u138so2928096wmu.2 for ; Wed, 11 Oct 2017 06:53:03 -0700 (PDT) Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com. [148.163.158.5]) by mx.google.com with ESMTPS id j28si2050005ede.363.2017.10.11.06.53.01 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 11 Oct 2017 06:53:01 -0700 (PDT) Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v9BDn1QL132133 for ; Wed, 11 Oct 2017 09:53:00 -0400 Received: from e06smtp13.uk.ibm.com (e06smtp13.uk.ibm.com [195.75.94.109]) by mx0a-001b2d01.pphosted.com with ESMTP id 2dhhqec9ac-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Wed, 11 Oct 2017 09:52:59 -0400 Received: from localhost by e06smtp13.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 11 Oct 2017 14:52:58 +0100 From: Laurent Dufour Subject: [PATCH v5 01/22] x86/mm: Define CONFIG_SPF Date: Wed, 11 Oct 2017 15:52:25 +0200 In-Reply-To: <1507729966-10660-1-git-send-email-ldufour@linux.vnet.ibm.com> References: <1507729966-10660-1-git-send-email-ldufour@linux.vnet.ibm.com> Message-Id: <1507729966-10660-2-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 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 Introduce CONFIG_SPF which turns on the Speculative Page Fault handler when building for 64bits with SMP. Signed-off-by: Laurent Dufour --- arch/x86/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 063f1e0d51aa..a726618b7018 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2865,6 +2865,10 @@ config X86_DMA_REMAP config HAVE_GENERIC_GUP def_bool y +config SPF + def_bool y + depends on X86_64 && SMP + source "net/Kconfig" source "drivers/Kconfig" -- 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