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Re: [Xen-devel] create_periodic_time(): why forced to 0.9ms ?


  • To: Russ Blaine <russell.blaine@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Sun, 01 Jul 2007 21:44:43 +0100
  • Delivery-date: Sun, 01 Jul 2007 13:42:43 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Ace8IKb+5WMRligTEdyFZAAX8io7RQ==
  • Thread-topic: [Xen-devel] create_periodic_time(): why forced to 0.9ms ?

That's a question for whoever at Intel originally wrote that code. I'm sure
the answer is that anything smaller is too small. :-)  Which is kind of
reasonable...

 -- Keir

On 29/6/07 23:41, "Russ Blaine" <russell.blaine@xxxxxxx> wrote:

> create_periodic_time() forces the period to be at least 0.9 ms. Can anyone
> explain the history behind this? Why is this done, and how was this constant
> chosen?
> 
> -----------------------------------------------------
> Russ Blaine | Solaris Kernel | russell.blaine@xxxxxxx
> 
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