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17c7e7f407
The ppp_idle structure is defined in terms of __kernel_time_t, which is defined as 'long' on all architectures, and this usage is not affected by the y2038 problem since it transports a time interval rather than an absolute time. However, the ppp user space defines the same structure as time_t, which may be 64-bit wide on new libc versions even on 32-bit architectures. It's easy enough to just handle both possible structure layouts on all architectures, to deal with the possibility that a user space ppp implementation comes with its own ppp_idle structure definition, as well as to document the fact that the driver is y2038-safe. Doing this also avoids the need for a special compat mode translation, since 32-bit and 64-bit kernels now support the same interfaces. The old 32-bit structure is also available on native 64-bit architectures now, but this is harmless. Cc: netdev@vger.kernel.org Cc: linux-ppp@vger.kernel.org Cc: Paul Mackerras <paulus@samba.org> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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