[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 2/4] CPUIDLE: Avoid remnant LAPIC timer intr while force hpetbroadcast
On 10/9/08 15:25, "Wei, Gang" <gang.wei@xxxxxxxxx> 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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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