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RE: [Xen-devel] [PATCH 2/4] CPUIDLE: Avoid remnant LAPIC timer intr while force hpetbroadcast


  • To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Wei, Gang" <gang.wei@xxxxxxxxx>
  • Date: Wed, 10 Sep 2008 22:25:26 +0800
  • Accept-language: en-US
  • Acceptlanguage: en-US
  • Cc:
  • Delivery-date: Wed, 10 Sep 2008 07:25:51 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AckSVfqaFjPrXqrARTKdgjxn6iTeJQA2DOERAAhrdiA=
  • Thread-topic: [Xen-devel] [PATCH 2/4] CPUIDLE: Avoid remnant LAPIC timer intr while force hpetbroadcast

> It's not clear to me the disable/enable_LAPIC_timer() work is worthwhile for
> the few timer interrupts it is likely to avoid. The other bit of the patch
> is a good bugfix though. I've taken just the latter part.

Thanks for accept most of these patches. As to disable/enable_LAPIC_timer(), I 
add them because some platforms require the LAPIC timer intr being disabled 
before entering C3, otherwise there may be some unexpected things. As a 
reference, Linux kernel always do so.

Jimmy

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