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Date: Mon, 27 Nov 2017 11:30:32 -0800 From: Deepa Dinamani <deepa.kernel@...il.com> To: tglx@...utronix.de, john.stultz@...aro.org Cc: linux-kernel@...r.kernel.org, arnd@...db.de, y2038@...ts.linaro.org Subject: [PATCH v2 05/10] arch: 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: Deepa Dinamani <deepa.kernel@...il.com> --- arch/Kconfig | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/Kconfig b/arch/Kconfig index 11810c29c1fa..e75c5239c885 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -884,6 +884,13 @@ 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 -- 2.14.1
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