mm: rename CONFIG_HAVE_GENERIC_GUP to CONFIG_HAVE_FAST_GUP
We only support the generic GUP now, so rename the config option to be more clear, and always use the mm/Kconfig definition of the symbol and select it from the arch Kconfigs. Link: http://lkml.kernel.org/r/20190625143715.1689-11-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Khalid Aziz <khalid.aziz@oracle.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David Miller <davem@davemloft.net> Cc: James Hogan <jhogan@kernel.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Paul Burton <paul.burton@mips.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Rich Felker <dalias@libc.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -75,6 +75,7 @@ config ARM
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select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE
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select HAVE_EFFICIENT_UNALIGNED_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && MMU
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select HAVE_EXIT_THREAD
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select HAVE_FAST_GUP if ARM_LPAE
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select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL
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select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL && !CC_IS_CLANG
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select HAVE_FUNCTION_TRACER if !XIP_KERNEL
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@ -1625,10 +1626,6 @@ config ARCH_SPARSEMEM_DEFAULT
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config HAVE_ARCH_PFN_VALID
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def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
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config HAVE_GENERIC_GUP
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def_bool y
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depends on ARM_LPAE
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config HIGHMEM
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bool "High Memory Support"
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depends on MMU
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@ -143,6 +143,7 @@ config ARM64
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select HAVE_DMA_CONTIGUOUS
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select HAVE_DYNAMIC_FTRACE
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select HAVE_EFFICIENT_UNALIGNED_ACCESS
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select HAVE_FAST_GUP
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select HAVE_FTRACE_MCOUNT_RECORD
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select HAVE_FUNCTION_TRACER
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select HAVE_FUNCTION_GRAPH_TRACER
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@ -267,9 +268,6 @@ config ZONE_DMA32
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bool "Support DMA32 zone" if EXPERT
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default y
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config HAVE_GENERIC_GUP
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def_bool y
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config ARCH_ENABLE_MEMORY_HOTPLUG
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def_bool y
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@ -53,10 +53,10 @@ config MIPS
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select HAVE_DMA_CONTIGUOUS
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select HAVE_DYNAMIC_FTRACE
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select HAVE_EXIT_THREAD
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select HAVE_FAST_GUP
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select HAVE_FTRACE_MCOUNT_RECORD
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select HAVE_FUNCTION_GRAPH_TRACER
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select HAVE_FUNCTION_TRACER
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select HAVE_GENERIC_GUP
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select HAVE_IDE
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select HAVE_IOREMAP_PROT
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select HAVE_IRQ_EXIT_ON_IRQ_STACK
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@ -185,12 +185,12 @@ config PPC
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select HAVE_DYNAMIC_FTRACE_WITH_REGS if MPROFILE_KERNEL
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select HAVE_EBPF_JIT if PPC64
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select HAVE_EFFICIENT_UNALIGNED_ACCESS if !(CPU_LITTLE_ENDIAN && POWER7_CPU)
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select HAVE_FAST_GUP
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select HAVE_FTRACE_MCOUNT_RECORD
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select HAVE_FUNCTION_ERROR_INJECTION
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select HAVE_FUNCTION_GRAPH_TRACER
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select HAVE_FUNCTION_TRACER
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select HAVE_GCC_PLUGINS if GCC_VERSION >= 50200 # plugin support on gcc <= 5.1 is buggy on PPC
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select HAVE_GENERIC_GUP
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select HAVE_HW_BREAKPOINT if PERF_EVENTS && (PPC_BOOK3S || PPC_8xx)
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select HAVE_IDE
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select HAVE_IOREMAP_PROT
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@ -139,6 +139,7 @@ config S390
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select HAVE_DMA_CONTIGUOUS
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select HAVE_DYNAMIC_FTRACE
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select HAVE_DYNAMIC_FTRACE_WITH_REGS
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select HAVE_FAST_GUP
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select HAVE_EFFICIENT_UNALIGNED_ACCESS
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select HAVE_FENTRY
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select HAVE_FTRACE_MCOUNT_RECORD
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@ -146,7 +147,6 @@ config S390
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select HAVE_FUNCTION_TRACER
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select HAVE_FUTEX_CMPXCHG if FUTEX
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select HAVE_GCC_PLUGINS
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select HAVE_GENERIC_GUP
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select HAVE_KERNEL_BZIP2
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select HAVE_KERNEL_GZIP
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select HAVE_KERNEL_LZ4
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@ -15,7 +15,7 @@ config SUPERH
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select HAVE_ARCH_TRACEHOOK
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select HAVE_PERF_EVENTS
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select HAVE_DEBUG_BUGVERBOSE
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select HAVE_GENERIC_GUP
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select HAVE_FAST_GUP if MMU
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select ARCH_HAVE_CUSTOM_GPIO_H
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select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A)
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select ARCH_HAS_GCOV_PROFILE_ALL
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@ -28,7 +28,7 @@ config SPARC
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select RTC_DRV_M48T59
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select RTC_SYSTOHC
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select HAVE_ARCH_JUMP_LABEL if SPARC64
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select HAVE_GENERIC_GUP if SPARC64
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select HAVE_FAST_GUP if SPARC64
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select GENERIC_IRQ_SHOW
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select ARCH_WANT_IPC_PARSE_VERSION
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select GENERIC_PCI_IOMAP
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@ -159,6 +159,7 @@ config X86
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select HAVE_EFFICIENT_UNALIGNED_ACCESS
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select HAVE_EISA
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select HAVE_EXIT_THREAD
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select HAVE_FAST_GUP
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select HAVE_FENTRY if X86_64 || DYNAMIC_FTRACE
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select HAVE_FTRACE_MCOUNT_RECORD
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select HAVE_FUNCTION_GRAPH_TRACER
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@ -2907,9 +2908,6 @@ config HAVE_ATOMIC_IOMAP
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config X86_DEV_DMA_OPS
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bool
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config HAVE_GENERIC_GUP
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def_bool y
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source "drivers/firmware/Kconfig"
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source "arch/x86/kvm/Kconfig"
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@ -132,7 +132,7 @@ config HAVE_MEMBLOCK_NODE_MAP
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config HAVE_MEMBLOCK_PHYS_MAP
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bool
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config HAVE_GENERIC_GUP
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config HAVE_FAST_GUP
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bool
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config ARCH_KEEP_MEMBLOCK
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4
mm/gup.c
4
mm/gup.c
@ -1651,7 +1651,7 @@ struct page *get_dump_page(unsigned long addr)
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#endif /* CONFIG_ELF_CORE */
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/*
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* Generic Fast GUP
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* Fast GUP
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*
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* get_user_pages_fast attempts to pin user pages by walking the page
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* tables directly and avoids taking locks. Thus the walker needs to be
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@ -1683,7 +1683,7 @@ struct page *get_dump_page(unsigned long addr)
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*
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* This code is based heavily on the PowerPC implementation by Nick Piggin.
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*/
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#ifdef CONFIG_HAVE_GENERIC_GUP
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#ifdef CONFIG_HAVE_FAST_GUP
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#ifdef CONFIG_GUP_GET_PTE_LOW_HIGH
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/*
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* WARNING: only to be used in the get_user_pages_fast() implementation.
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