From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: [PATCH 2/4] CPUIDLE: Avoid remnant LAPIC timer
	intr while force hpetbroadcast
Date: Thu, 11 Sep 2008 08:38:06 +0100
Message-ID: <C4EE896E.1D0EB%keir.fraser@eu.citrix.com>
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To: "Wei, Gang" <gang.wei@intel.com>, "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
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On 10/9/08 15:25, "Wei, Gang" <gang.wei@intel.com> wrote:

>> 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.

Is this a documented aspect of C3, or just one of those things? Do you know
what kind of 'unexpected things' can happen?

 -- Keir