Re: clone3: allow creation of time namespace with offset

[Arnd Bergmann]

On Thu, Mar 19, 2020 at 9:11 AM Adrian Reber <areber@xxxxxxxxxx> wrote:

> With Arnd's idea of only using nanoseconds, timens_offset would then
> contain something like this:
>
> struct timens_offset {
>         __aligned_s64 monotonic_offset_ns;
>         __aligned_s64 boottime_offset_ns;
> };
>
> I kind of prefer adding boottime and monotonic directly to struct clone_args
>
>         __aligned_u64 tls;
>         __aligned_u64 set_tid;
>         __aligned_u64 set_tid_size;
> +       __aligned_s64 monotonic_offset_ns;
> +       __aligned_s64 boottime_offset_ns;
>  };

I would also prefer the second approach using two 64-bit integers
instead of a pointer, as it keeps the interface simpler to implement
and simpler to interpret by other tools.

      Arnd