Re: [PATCH 16/20] futex: Implement sys_futex_waitv()

[André Almeida]

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?