Re: [PATCH] io_uring: use __kernel_timespec in timeout ABI

[Jens Axboe]

On 9/30/19 2:20 PM, Arnd Bergmann wrote:
> All system calls use struct __kernel_timespec instead of the old struct
> timespec, but this one was just added with the old-style ABI. Change it
> now to enforce the use of __kernel_timespec, avoiding ABI confusion and
> the need for compat handlers on 32-bit architectures.
> 
> Any user space caller will have to use __kernel_timespec now, but this
> is unambiguous and works for any C library regardless of the time_t
> definition. A nicer way to specify the timeout would have been a less
> ambiguous 64-bit nanosecond value, but I suppose it's too late now to
> change that as this would impact both 32-bit and 64-bit users.

Thanks for catching that, Arnd. Applied.

-- 
Jens Axboe