Às 11:49 de 16/09/21, Thomas Gleixner escreveu: > On Wed, Sep 15 2021 at 10:34, Paul Eggert wrote: > >> On 9/15/21 8:37 AM, Peter Zijlstra wrote: >>> I utterly detest timespec.. it makes no sense what so ever. >>> >>> Can't we just, for new syscalls, simply use a s64 nsec argument and call >>> it a day? >> >> This would stop working in the year 2262. Not a good idea. > > Make it u64 and it stops in 2552, i.e. 584 years from now which is > plenty. Lot's of the kernel internal timekeeping will stop working at > that point, so that interface is the least of my worries. And TBH, my > worries about the Y2552 problem are extremly close to zero. > What do we win by using u64 instead of timespec? Or what's so bad about timespec?