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From: Laurent Dufour <ldufour@linux.vnet.ibm.com>
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 <willy@infradead.org>,
	benh@kernel.crashing.org, mpe@ellerman.id.au, paulus@samba.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	hpa@zytor.com, Will Deacon <will.deacon@arm.com>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Alexei Starovoitov <alexei.starovoitov@gmail.com>
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 <tim.c.chen@linux.intel.com>,
	linuxppc-dev@lists.ozlabs.org, x86@kernel.org
Subject: [PATCH v5 01/22] x86/mm: Define CONFIG_SPF
Date: Wed, 11 Oct 2017 15:52:25 +0200	[thread overview]
Message-ID: <1507729966-10660-2-git-send-email-ldufour@linux.vnet.ibm.com> (raw)
In-Reply-To: <1507729966-10660-1-git-send-email-ldufour@linux.vnet.ibm.com>

Introduce CONFIG_SPF which turns on the Speculative Page Fault handler when
building for 64bits with SMP.

Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
---
 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

  reply	other threads:[~2017-10-11 13:53 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-11 13:52 [PATCH v5 00/22] Speculative page faults Laurent Dufour
2017-10-11 13:52 ` Laurent Dufour [this message]
2017-10-11 13:52 ` [PATCH v5 02/22] powerpc/mm: Define CONFIG_SPF Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 03/22] mm: Dont assume page-table invariance during faults Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 04/22] mm: Prepare for FAULT_FLAG_SPECULATIVE Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 05/22] mm: Introduce pte_spinlock " Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 06/22] mm: VMA sequence count Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 07/22] mm: Protect VMA modifications using " Laurent Dufour
2017-10-26 10:18   ` Andrea Arcangeli
2017-11-02 15:16     ` Laurent Dufour
2017-11-02 17:25       ` Laurent Dufour
2017-11-02 20:08         ` Andrea Arcangeli
2017-11-06  9:47           ` Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 08/22] mm: RCU free VMAs Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 09/22] mm: Cache some VMA fields in the vm_fault structure Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 10/22] mm: Protect SPF handler against anon_vma changes Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 11/22] mm/migrate: Pass vm_fault pointer to migrate_misplaced_page() Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 12/22] mm: Introduce __lru_cache_add_active_or_unevictable Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 13/22] mm: Introduce __maybe_mkwrite() Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 14/22] mm: Introduce __vm_normal_page() Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 15/22] mm: Introduce __page_add_new_anon_rmap() Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 16/22] mm: Provide speculative fault infrastructure Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 17/22] mm: Try spin lock in speculative path Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 18/22] mm: Adding speculative page fault failure trace events Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 19/22] perf: Add a speculative page fault sw event Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 20/22] perf tools: Add support for the SPF perf event Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 21/22] x86/mm: Add speculative pagefault handling Laurent Dufour
2017-10-11 13:52 ` [PATCH v5 22/22] powerpc/mm: Add speculative page fault Laurent Dufour
2017-10-26  8:14   ` [v5,22/22] " kemi
2017-11-02 14:11     ` Laurent Dufour
2017-11-06 10:27       ` Sergey Senozhatsky

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