time: Introduce current_kernel_time64()
The current_kernel_time() is not year 2038 safe on 32bit systems since it returns a timespec value. Introduce current_kernel_time64() which returns a timespec64 value. Cc: Prarit Bhargava <prarit@redhat.com> Cc: Richard Cochran <richardcochran@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: John Stultz <john.stultz@linaro.org>
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@ -18,10 +18,17 @@ extern int do_sys_settimeofday(const struct timespec *tv,
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* Kernel time accessors
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* Kernel time accessors
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*/
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*/
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unsigned long get_seconds(void);
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unsigned long get_seconds(void);
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struct timespec current_kernel_time(void);
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struct timespec64 current_kernel_time64(void);
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/* does not take xtime_lock */
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/* does not take xtime_lock */
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struct timespec __current_kernel_time(void);
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struct timespec __current_kernel_time(void);
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static inline struct timespec current_kernel_time(void)
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{
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struct timespec64 now = current_kernel_time64();
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return timespec64_to_timespec(now);
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}
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/*
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/*
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* timespec based interfaces
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* timespec based interfaces
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*/
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*/
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@ -1881,7 +1881,7 @@ struct timespec __current_kernel_time(void)
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return timespec64_to_timespec(tk_xtime(tk));
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return timespec64_to_timespec(tk_xtime(tk));
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}
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}
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struct timespec current_kernel_time(void)
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struct timespec64 current_kernel_time64(void)
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{
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{
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struct timekeeper *tk = &tk_core.timekeeper;
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struct timekeeper *tk = &tk_core.timekeeper;
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struct timespec64 now;
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struct timespec64 now;
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@ -1893,9 +1893,9 @@ struct timespec current_kernel_time(void)
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now = tk_xtime(tk);
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now = tk_xtime(tk);
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} while (read_seqcount_retry(&tk_core.seq, seq));
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} while (read_seqcount_retry(&tk_core.seq, seq));
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return timespec64_to_timespec(now);
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return now;
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}
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}
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EXPORT_SYMBOL(current_kernel_time);
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EXPORT_SYMBOL(current_kernel_time64);
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struct timespec64 get_monotonic_coarse64(void)
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struct timespec64 get_monotonic_coarse64(void)
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{
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{
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