> >Dosemu does this now on single cpu systems.
>
> Are you sure it's 100% reliable over the time, monotone and with a
> picosecond precision and that such way can be extended to SMP?
>
> >gettimeofday always returns a time recently in the past.
>
> It's not a matter of recently in the past, but it must be _monotone_. If
> you only lose coherency between tv_sec and tv_usec you can just have a TOD
> that goes back instead of forward or equal sometime.
Ok, so you just check for monotony in userspace and fix it if it is
not :-).
Pavel
-- I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care." Panos Katsaloulis describing me w.r.t. patents me at discuss@linmodems.org- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/