On 15 July 2015 at 18:31, Thomas Gleixner tglx@linutronix.de wrote:
On Wed, 15 Jul 2015, Baolin Wang wrote:
The cputime_to_timespec() and timespec_to_cputime() functions are not year 2038 safe on 32bit systems due to that the struct timepsec will overflow in 2038 year.
And how is this relevant? cputime is not based on wall clock time at all. So what has 2038 to do with cputime?
We want proper explanations WHY we need such a change.
When converting the posix-cpu-timers, it call the cputime_to_timespec() function. Thus it need a conversion for this function. You can see that conversion in patch "posix-cpu-timers: Convert to y2038 safe callbacks" from https://git.linaro.org/people/baolin.wang/upstream_0627.git. And I also will explain this in the changelog. Thanks for your comments.
Thanks,
tglx