On 10/01/2007 11:21 AM, Andi Kleen wrote:
>
> Also I'm not sure but I suspect non Intel HPETs have less than
> three timers. Certainly they generally miss the 64bitness.
>
nVidia C51/MCP51 chipset, AMD Turion X2:
hpet0: 3 32-bit timers, 2500 Hz
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On Mon, 1 Oct 2007, Andi Kleen wrote:
> > So if the
> > number of hpet channels is greater/equal to the number of possible
> > CPUs it's perfectly fine and does not need IPI at all.
>
> That is only a stop gap then. I don't see this being
> generally true in the future. e.g. Intel announced SMT wi
> So if the
> number of hpet channels is greater/equal to the number of possible
> CPUs it's perfectly fine and does not need IPI at all.
That is only a stop gap then. I don't see this being
generally true in the future. e.g. Intel announced SMT will be soon
back so even a standard dual core wou
On Mon, 1 Oct 2007, Andi Kleen wrote:
> > There is work in progress on a patch, which allows to utilize the hpet
> > timers as per cpu timers. This should solve the problem. Be patient.
>
> Given that e.g. ICH8 only has 3 HPET timers that seems doubtful
> except for the special case of single-sock
2007/10/1, Thomas Gleixner <[EMAIL PROTECTED]>:
> On Mon, 1 Oct 2007, Mikhail Kshevetskiy wrote:
> > No, it boot and work normally. The only thing i bother, is the
> > additional 260 timer interrupts per seconds.
> > Here is short result:
> >
> > c1e enabled:
> > -- power consumption about 23 wat
> There is work in progress on a patch, which allows to utilize the hpet
> timers as per cpu timers. This should solve the problem. Be patient.
Given that e.g. ICH8 only has 3 HPET timers that seems doubtful
except for the special case of single-socket non hyper threaded dual core.
You'll probably
On Mon, 1 Oct 2007, Mikhail Kshevetskiy wrote:
> No, it boot and work normally. The only thing i bother, is the
> additional 260 timer interrupts per seconds.
> Here is short result:
>
> c1e enabled:
> -- power consumption about 23 watts
> -- there is only C1 power state enabled
> -- there a
01 Oct 2007 11:33:48 +0200, Andi Kleen <[EMAIL PROTECTED]>:
> Mikhail Kshevetskiy <[EMAIL PROTECTED]> writes:
> >
> > The same situation can be observed for linux-2.6.22.
>
> You're saying 2.6.22/x86-64 without any patches doesn't boot out of the box
> with C1E enabled? If yes what are the exact s
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