On Mon, 1 Feb 2016, Zengtao (B) wrote:
> Hi Arnd:
> I have got a new idea about the problem:
> In include/linux/time64.h
> #define NSEC_PER_SEC 1000000000L
> I think we should change it to
> #define NSEC_PER_SEC 1000000000LL
>
> My reason is :
> 1. when it is used in a multiplication, it will easily get overflow.
> 2. when it don't get overflow, the change has no side affect.
That's not a good idea. NSEC_PER_SEC is used in lots of places with 32bit
storage. I really don't want to mop up all the fallout.
Thanks,
tglx
