Interesting idea. Something similar would probably apply to other processors as well, if someone wrote a hypervisor for them.
-----Original Message----- From: Alan Cox [mailto:[EMAIL PROTECTED] Sent: Wednesday, June 11, 2003 10:17 AM To: [EMAIL PROTECTED] Subject: Re: hz_timer On Mer, 2003-06-11 at 18:13, Fargusson.Alan wrote: > Part of the timer patch is machine dependant. Since most systems that run Linux > don't have anything like VM there isn't any point in implementing the timer patch on > them. > > I suspect that the (misnamed) halt instruction on the Intel system does not provide > any notification to a VM like hypervisor, so the timer patch probably would not help. For an x86 hypervisor you'd probably use the APM interface to do this. On modern x86 "hlt" also doesn't save power.
