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Commit 17435e5f authored by Deepa Dinamani's avatar Deepa Dinamani Committed by Arnd Bergmann
Browse files

time: Introduce CONFIG_COMPAT_32BIT_TIME 



Compat functions are now used to support 32 bit time_t in
compat mode on 64 bit architectures and in native mode on
32 bit architectures.

Introduce COMPAT_32BIT_TIME to conditionally compile these
functions.

Note that turning off 32 bit time_t support requires more
changes on architecture side. For instance, architecure
syscall tables need to be updated to drop support for 32 bit
time_t syscalls.

Signed-off-by: default avatarDeepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent d4703dda

arch/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -878,6 +878,13 @@ config 64BIT_TIME 
	  architectures, and 64-bit architectures as part of compat syscall

	  handling.



config COMPAT_32BIT_TIME

	def_bool (!64BIT && 64BIT_TIME) || COMPAT

	help

	  This enables 32 bit time_t support in addition to 64 bit time_t support.

	  This is relevant on all 32-bit architectures, and 64-bit architectures

	  as part of compat syscall handling.



config ARCH_NO_COHERENT_DMA_MMAP

	bool