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Re: [Xen-devel] [PATCH] linux: fix condition for entering tickless state

  • To: Jan Beulich <jbeulich@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <keir@xxxxxxxxxxxxx>
  • Date: Fri, 09 Mar 2007 17:42:41 +0000
  • Delivery-date: Fri, 09 Mar 2007 09:41:58 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcdiclXhlJbtqs5lEduPNwAX8io7RQ==
  • Thread-topic: [Xen-devel] [PATCH] linux: fix condition for entering tickless state

On 9/3/07 16:54, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

> I noticed that timer interrupts were running at full rate regardless
> of whether the system was idle.
> softlockup_get_next_event() must return the maximum of zero and the
> delta to the next event, not the minimum (which is always zero or
> negative, yielding zero or a very large positive number as return
> value).

Oops. :-)


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