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>,
kemi.wang@intel.com, sergey.senozhatsky.work@gmail.com,
Daniel Jordan <daniel.m.jordan@oracle.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 v7 02/24] x86/mm: Define CONFIG_SPECULATIVE_PAGE_FAULT
Date: Tue, 6 Feb 2018 17:49:48 +0100 [thread overview]
Message-ID: <1517935810-31177-3-git-send-email-ldufour@linux.vnet.ibm.com> (raw)
In-Reply-To: <1517935810-31177-1-git-send-email-ldufour@linux.vnet.ibm.com>
Introduce CONFIG_SPECULATIVE_PAGE_FAULT which turns on the Speculative Page
Fault handler when building for 64bits with SMP.
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
---
arch/x86/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index d9878f1f3bac..cb3a0e8dbf27 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -29,6 +29,7 @@ config X86_64
select HAVE_ARCH_SOFT_DIRTY
select MODULES_USE_ELF_RELA
select X86_DEV_DMA_OPS
+ select SPECULATIVE_PAGE_FAULT if SMP
#
# Arch settings
--
2.7.4
next prev parent reply other threads:[~2018-02-06 16:50 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-06 16:49 [PATCH v7 00/24] Speculative page faults Laurent Dufour
2018-02-06 16:49 ` [PATCH v7 01/24] mm: Introduce CONFIG_SPECULATIVE_PAGE_FAULT Laurent Dufour
2018-02-06 16:49 ` Laurent Dufour [this message]
2018-02-06 16:49 ` [PATCH v7 03/24] powerpc/mm: Define CONFIG_SPECULATIVE_PAGE_FAULT Laurent Dufour
2018-02-06 16:49 ` [PATCH v7 04/24] mm: Dont assume page-table invariance during faults Laurent Dufour
2018-02-06 20:28 ` Matthew Wilcox
2018-02-08 14:35 ` Laurent Dufour
2018-02-08 15:00 ` Matthew Wilcox
2018-02-08 17:14 ` Laurent Dufour
2018-02-06 16:49 ` [PATCH v7 05/24] mm: Prepare for FAULT_FLAG_SPECULATIVE Laurent Dufour
2018-02-06 16:49 ` [PATCH v7 06/24] mm: Introduce pte_spinlock " Laurent Dufour
2018-02-06 16:49 ` [PATCH v7 07/24] mm: VMA sequence count Laurent Dufour
2018-02-06 16:49 ` [PATCH v7 08/24] mm: Protect VMA modifications using " Laurent Dufour
2018-02-06 16:49 ` [PATCH v7 09/24] mm: protect mremap() against SPF hanlder Laurent Dufour
2018-02-06 16:49 ` [PATCH v7 10/24] mm: Protect SPF handler against anon_vma changes Laurent Dufour
2018-02-06 16:49 ` [PATCH v7 11/24] mm: Cache some VMA fields in the vm_fault structure Laurent Dufour
2018-02-06 16:49 ` [PATCH v7 12/24] mm/migrate: Pass vm_fault pointer to migrate_misplaced_page() Laurent Dufour
2018-02-06 16:49 ` [PATCH v7 13/24] mm: Introduce __lru_cache_add_active_or_unevictable Laurent Dufour
2018-02-06 16:50 ` [PATCH v7 14/24] mm: Introduce __maybe_mkwrite() Laurent Dufour
2018-02-06 16:50 ` [PATCH v7 15/24] mm: Introduce __vm_normal_page() Laurent Dufour
2018-02-06 16:50 ` [PATCH v7 16/24] mm: Introduce __page_add_new_anon_rmap() Laurent Dufour
2018-02-06 16:50 ` [PATCH v7 17/24] mm: Protect mm_rb tree with a rwlock Laurent Dufour
2018-02-06 16:50 ` [PATCH v7 18/24] mm: Provide speculative fault infrastructure Laurent Dufour
2018-02-06 16:50 ` [PATCH v7 19/24] mm: Adding speculative page fault failure trace events Laurent Dufour
2018-02-06 16:50 ` [PATCH v7 20/24] perf: Add a speculative page fault sw event Laurent Dufour
2018-02-06 16:50 ` [PATCH v7 21/24] perf tools: Add support for the SPF perf event Laurent Dufour
2018-02-06 16:50 ` [PATCH v7 22/24] mm: Speculative page fault handler return VMA Laurent Dufour
2018-02-06 16:50 ` [PATCH v7 23/24] x86/mm: Add speculative pagefault handling Laurent Dufour
2018-02-06 16:50 ` [PATCH v7 24/24] powerpc/mm: Add speculative page fault Laurent Dufour
2018-02-08 20:53 ` [PATCH v7 00/24] Speculative page faults Andrew Morton
2018-02-13 7:56 ` Laurent Dufour
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