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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>
107 lines
2.1 KiB
Plaintext
107 lines
2.1 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see Documentation/kbuild/kconfig-language.txt.
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#
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config NDS32
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def_bool y
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select ARCH_32BIT_OFF_T
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select ARCH_HAS_SYNC_DMA_FOR_CPU
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select ARCH_HAS_SYNC_DMA_FOR_DEVICE
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select ARCH_WANT_FRAME_POINTERS if FTRACE
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select CLKSRC_MMIO
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select CLONE_BACKWARDS
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select COMMON_CLK
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select GENERIC_ATOMIC64
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select GENERIC_CPU_DEVICES
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select GENERIC_CLOCKEVENTS
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select GENERIC_IRQ_CHIP
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select GENERIC_IRQ_SHOW
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select GENERIC_LIB_ASHLDI3
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select GENERIC_LIB_ASHRDI3
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select GENERIC_LIB_CMPDI2
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select GENERIC_LIB_LSHRDI3
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select GENERIC_LIB_MULDI3
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select GENERIC_LIB_UCMPDI2
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select GENERIC_STRNCPY_FROM_USER
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select GENERIC_STRNLEN_USER
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select GENERIC_TIME_VSYSCALL
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select HANDLE_DOMAIN_IRQ
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select HAVE_ARCH_TRACEHOOK
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select HAVE_DEBUG_KMEMLEAK
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select HAVE_EXIT_THREAD
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select HAVE_REGS_AND_STACK_ACCESS_API
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select HAVE_PERF_EVENTS
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select IRQ_DOMAIN
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select LOCKDEP_SUPPORT
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select MODULES_USE_ELF_RELA
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select OF
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select OF_EARLY_FLATTREE
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select NO_IOPORT_MAP
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select RTC_LIB
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select THREAD_INFO_IN_TASK
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select HAVE_FUNCTION_TRACER
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select HAVE_FUNCTION_GRAPH_TRACER
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select HAVE_FTRACE_MCOUNT_RECORD
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select HAVE_DYNAMIC_FTRACE
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help
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Andes(nds32) Linux support.
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config GENERIC_CALIBRATE_DELAY
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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 GENERIC_HWEIGHT
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def_bool y
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config GENERIC_LOCKBREAK
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def_bool y
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depends on PREEMPT
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config RWSEM_GENERIC_SPINLOCK
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def_bool y
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config TRACE_IRQFLAGS_SUPPORT
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def_bool y
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config STACKTRACE_SUPPORT
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def_bool y
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config FIX_EARLYCON_MEM
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def_bool y
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config PGTABLE_LEVELS
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default 2
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menu "System Type"
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source "arch/nds32/Kconfig.cpu"
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config NR_CPUS
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int
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default 1
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config MMU
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def_bool y
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config NDS32_BUILTIN_DTB
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string "Builtin DTB"
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default ""
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help
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User can use it to specify the dts of the SoC
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endmenu
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menu "Kernel Features"
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source "kernel/Kconfig.hz"
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endmenu
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menu "Power management options"
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config SYS_SUPPORTS_APM_EMULATION
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bool
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config ARCH_SUSPEND_POSSIBLE
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def_bool y
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source "kernel/power/Kconfig"
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endmenu
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