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 01/24] mm: Introduce CONFIG_SPECULATIVE_PAGE_FAULT Date: Tue, 6 Feb 2018 17:49:47 +0100 [thread overview] Message-ID: <1517935810-31177-2-git-send-email-ldufour@linux.vnet.ibm.com> (raw) In-Reply-To: <1517935810-31177-1-git-send-email-ldufour@linux.vnet.ibm.com> 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 <tglx@linutronix.de> Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com> --- 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
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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>, 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 01/24] mm: Introduce CONFIG_SPECULATIVE_PAGE_FAULT Date: Tue, 6 Feb 2018 17:49:47 +0100 [thread overview] Message-ID: <1517935810-31177-2-git-send-email-ldufour@linux.vnet.ibm.com> (raw) In-Reply-To: <1517935810-31177-1-git-send-email-ldufour@linux.vnet.ibm.com> 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 <tglx@linutronix.de> Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com> --- 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: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2018-02-06 16:50 UTC|newest] Thread overview: 62+ 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 ` Laurent Dufour 2018-02-06 16:49 ` Laurent Dufour [this message] 2018-02-06 16:49 ` [PATCH v7 01/24] mm: Introduce CONFIG_SPECULATIVE_PAGE_FAULT Laurent Dufour 2018-02-06 16:49 ` [PATCH v7 02/24] x86/mm: Define CONFIG_SPECULATIVE_PAGE_FAULT Laurent Dufour 2018-02-06 16:49 ` Laurent Dufour 2018-02-06 16:49 ` [PATCH v7 03/24] powerpc/mm: " Laurent Dufour 2018-02-06 16:49 ` Laurent Dufour 2018-02-06 16:49 ` [PATCH v7 04/24] mm: Dont assume page-table invariance during faults Laurent Dufour 2018-02-06 16:49 ` Laurent Dufour 2018-02-06 20:28 ` Matthew Wilcox 2018-02-06 20:28 ` Matthew Wilcox 2018-02-08 14:35 ` Laurent Dufour 2018-02-08 14:35 ` Laurent Dufour 2018-02-08 15:00 ` Matthew Wilcox 2018-02-08 15:00 ` Matthew Wilcox 2018-02-08 17:14 ` Laurent Dufour 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 ` Laurent Dufour 2018-02-06 16:49 ` [PATCH v7 06/24] mm: Introduce pte_spinlock " Laurent Dufour 2018-02-06 16:49 ` Laurent Dufour 2018-02-06 16:49 ` [PATCH v7 07/24] mm: VMA sequence count Laurent Dufour 2018-02-06 16:49 ` Laurent Dufour 2018-02-06 16:49 ` [PATCH v7 08/24] mm: Protect VMA modifications using " Laurent Dufour 2018-02-06 16:49 ` Laurent Dufour 2018-02-06 16:49 ` [PATCH v7 09/24] mm: protect mremap() against SPF hanlder Laurent Dufour 2018-02-06 16:49 ` 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 ` 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 ` 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 ` Laurent Dufour 2018-02-06 16:49 ` [PATCH v7 13/24] mm: Introduce __lru_cache_add_active_or_unevictable Laurent Dufour 2018-02-06 16:49 ` Laurent Dufour 2018-02-06 16:50 ` [PATCH v7 14/24] mm: Introduce __maybe_mkwrite() Laurent Dufour 2018-02-06 16:50 ` Laurent Dufour 2018-02-06 16:50 ` [PATCH v7 15/24] mm: Introduce __vm_normal_page() Laurent Dufour 2018-02-06 16:50 ` 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 ` 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 ` Laurent Dufour 2018-02-06 16:50 ` [PATCH v7 18/24] mm: Provide speculative fault infrastructure Laurent Dufour 2018-02-06 16:50 ` 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 ` 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 ` 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 ` 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 ` Laurent Dufour 2018-02-06 16:50 ` [PATCH v7 23/24] x86/mm: Add speculative pagefault handling Laurent Dufour 2018-02-06 16:50 ` Laurent Dufour 2018-02-06 16:50 ` [PATCH v7 24/24] powerpc/mm: Add speculative page fault Laurent Dufour 2018-02-06 16:50 ` Laurent Dufour 2018-02-08 20:53 ` [PATCH v7 00/24] Speculative page faults Andrew Morton 2018-02-08 20:53 ` Andrew Morton 2018-02-13 7:56 ` Laurent Dufour 2018-02-13 7:56 ` Laurent Dufour
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