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SubjectRe: Documentation/timers/hpet_example.c compile bug
On Sun, 30 May 2010 19:58:38 -0700
Randy Dunlap <randy.dunlap@oracle.com> wrote:

> On 05/30/10 19:49, Arjan van de Ven wrote:
> > On Sun, 30 May 2010 19:34:35 -0700
> > Randy Dunlap <randy.dunlap@oracle.com> wrote:
> >>
> >> Does it even make sense to build hpet_example on s390?
> >> I.e., does s390 have hpet?
> >> If not, then a simple Kconfig "depends on X86" or "depends
> >> on !S390" will fix this.
> >
> > HPET is very PC specific.
> >
> > but.. even on x86, it does not really make sense, and exposing this
> > as an interface to userspace is a historical mistake, the use of
> > which we really ought to discourage.
>
> Do you mean exposing anything that is in /usr/include/linux/hpet.h
> via ioctls? especially struct hpet_info ?

exposing even the concept of HPET, so yeah, including that header.
not all systems have hpet.. and frankly, we have better interfaces for
the same functionality...



--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org


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