Re: [PATCH] x86-64 highres/dyntick support

[Chris Wright]

* Thomas Gleixner (tglx@xxxxxxxxxxxxx) wrote:
> On Tue, 2007-05-08 at 02:39 -0700, Chris Wright wrote:
> 
> > OK, looks very similar all things considered.  One thing I didn't do
> > was fix lapic timer calibration (was hoping you'd do that part, and you
> > did ;-)  I've noticed that something has changed and I'm seeing irq0
> > handled on cpu3 (4 cpu system), where it used to be on cpu0 as expected.
> 
> Strange, irq balancing ?

That's what I was wondering, although i have same setup for 32-bit
and it behaves as expected with cpu0 taking hpet or pit on irq0
and lapic timer picked up on the other 3 cpus.

> > In addition lapic timer is firing there, and I'm seeing a higher
> > interrupt load than I used to.  This is the same in your set and mine.
> 
> Is irq0 _and_ the lapic timer firing ?

Yes.
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