[Qemu-devel] Re: [kvm-devel] [PATCH] Add support for HPET periodic timer.

[Avi Kivity <avi@qumranet.com>]

Luca Tettamanti wrote:
> Linux operates the HPET timer in legacy replacement mode, which means that the
> periodic interrupt of the CMOS RTC is not delivered (qemu won't be able to use
> /dev/rtc). Add support for HPET (/dev/hpet) as a replacement for the RTC; the
> periodic interrupt is delivered via SIGIO and is handled in the same way as the
> RTC timer.
> HPET must be explicitly enabled with -use-hpet.
>
>   

Are there any downsides to using HPET?  If not, I suggest making it the 
default, in order to reduce complexity for the user.

Something like:

- try to use HPET (unless -no-rtc selected)
- try to use RTC  (unless -no-rtc selected)
- fallback to normal unix facilities

-- 
error compiling committee.c: too many arguments to function