times(2) sys call bug?

[Paul Mackerras]

Joakim Tjernlund writes:

> > +	force_successful_syscall_return();
> >  	return (long) jiffies_64_to_clock_t(get_jiffies_64());
> 
> Why is 64 bits ops used here when you only use 32 bits? 

If HZ is 1000, jiffies_64_to_clock_t is going to divide jiffies by 10,
so we need to start with 64 bits in order to get the top few bits
of a 32-bit result correct.

> BTW, I think time(2) needs this:

In principle you are correct, but it's only going to matter for a
little over an hour some time in the year 2106. :)

Paul.