[ltp] Re: HPET timer on thinkpads?

[Phil K.]

Henrique de Moraes Holschuh wrote:
> On Mon, 22 Oct 2007, Alex Deucher wrote:
>> I don't think the t4x laptops have hpet timers.  the t43 might, but
>> the t40-42 are too old.
> 
> The T43 does have an HPET, but you need patches in the -rt (real-time)
> kernel to force-enable it.  And I am not sure it actually saves any power in
> the specific case of the T43.
> 

The Hrtimer-Patchset fixes the HPET-Detection for my t43. The
Hrtimer-Patchset is included in the rt-Patchset. You can try building a
Vanilla-Kernel with the HPET-Patchset which is avaliable from
http://www.kernel.org/pub/linux/kernel/people/tglx/hrtimers/

Good luck,

Phil