On Fri, 17 Jun 2016 17:10:32 +0200, Arnd Bergmann wrote: > > The sequencer client manager reports timestamps in units of unsigned > 32-bit seconds/nanoseconds, but that does not suffer from the y2038 > overflow because it stores only the delta since the 'last_update' > time was recorded. > > However, the use of the do_gettimeofday() function is problematic > and we have to replace it to avoid the overflow on on 32-bit > architectures. > > This uses 'struct timespec64' to record 'last_update', and changes > the code to use monotonic timestamps that do not suffer from leap > seconds and settimeofday updates. > > As a side-effect, the code can now use the timespec64_sub() helper > and become more readable and also avoid a multiplication to convert > from microseconds to nanoseconds. > > Signed-off-by: Arnd Bergmann <[email protected]>
Thanks, applied. It's even a nice cleanup! Takashi
