Re: [PATCH 1/2] hrtimers: extend hrtimer base code to handle morethen 2 clockids

From: Thomas Gleixner
Date: Tue Feb 01 2011 - 13:47:49 EST


On Tue, 1 Feb 2011, John Stultz wrote:
> On Tue, 2011-02-01 at 15:10 +0100, Thomas Gleixner wrote:
> > On Mon, 31 Jan 2011, John Stultz wrote:
> > > +static inline int hrtimer_clockid_to_base(clockid_t clock_id)
> > > +{
> > > + int ret = hrtimer_clock_to_base_table[clock_id];
> > > +
> > > + if(ret == -1) {
> > > + WARN_ON(1);
> > > + /* We just hit an invalid clock base,
> > > + * but returning -1 isn't safe, so
> > > + * return the _REALTIME base
> > > + */
> >
> > How can this happen ?
>
> It can't right now. I'm just worried someone will try to put a clockid
> that doesn't have an hrtimer base into that function sometime in the
> future. We can wrap it in a debug config maybe?

Hmm. That would have exploded the current code as well. So I won't
worry too much about.

Thanks,

tglx
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/