Re: [Bug #12667] Badness at kernel/time/timekeeping.c:98 in pmud (timekeeping_suspended)

Benjamin Herrenschmidt
2009-02-19T21:52:18Z

On Thu, 2009-02-19 at 21:17 +0100, Thomas Gleixner wrote:
>
> Well, harsh or not is not the question here.
>
> Fact is that you call gettimeofday() _before_ the timekeeping code has
> resumed.
>
> That's a simple ordering problem. timekeeping is in the sysdev class
> as well and it's not the only sysdev which has explicit ordering
> requirements.

And how do I control that ordering ?

I find that a bit fishy ... What about making gettimeofday() in the
timekeeping code work, just return a frozen snapshot of the value on
suspend instead ?

Ben.