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All new 32-bit architectures should have 64-bit userspace off_t type, but existing architectures has 32-bit ones. To enforce the rule, new config option is added to arch/Kconfig that defaults ARCH_32BIT_OFF_T to be disabled for new 32-bit architectures. All existing 32-bit architectures enable it explicitly. New option affects force_o_largefile() behaviour. Namely, if userspace off_t is 64-bits long, we have no reason to reject user to open big files. Note that even if architectures has only 64-bit off_t in the kernel (arc, c6x, h8300, hexagon, nios2, openrisc, and unicore32), a libc may use 32-bit off_t, and therefore want to limit the file size to 4GB unless specified differently in the open flags. Signed-off-by: Yury Norov <ynorov@caviumnetworks.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Yury Norov <ynorov@marvell.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
51 lines
856 B
Plaintext
51 lines
856 B
Plaintext
# SPDX-License-Identifier: GPL-2.0
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config H8300
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def_bool y
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select ARCH_32BIT_OFF_T
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select GENERIC_ATOMIC64
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select HAVE_UID16
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select VIRT_TO_BUS
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select GENERIC_IRQ_SHOW
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select FRAME_POINTER
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select GENERIC_CPU_DEVICES
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select MODULES_USE_ELF_RELA
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select GENERIC_CLOCKEVENTS
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select CLKDEV_LOOKUP
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select COMMON_CLK
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select ARCH_WANT_FRAME_POINTERS
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select OF
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select OF_IRQ
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select OF_EARLY_FLATTREE
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select TIMER_OF
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select H8300_TMR8
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select HAVE_KERNEL_GZIP
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select HAVE_KERNEL_LZO
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select HAVE_ARCH_KGDB
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select HAVE_ARCH_HASH
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select CPU_NO_EFFICIENT_FFS
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config CPU_BIG_ENDIAN
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def_bool y
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config RWSEM_GENERIC_SPINLOCK
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def_bool y
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config GENERIC_HWEIGHT
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def_bool y
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config NO_IOPORT_MAP
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def_bool y
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config GENERIC_CSUM
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def_bool y
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config HZ
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int
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default 100
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config NR_CPUS
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int
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default 1
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source "arch/h8300/Kconfig.cpu"
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