Re: [Xen-devel] [PATCH] use INT64_MAX as max expiration

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Wed, 14 Mar 2012, Ian Jackson wrote:
> Zhang, Yang Z writes ("[PATCH] use INT64_MAX as max expiration"):
> > Currently, the max expiration time is 2147483647ns(INT32_MAX ns). This is 
> > enough when guest is busy, but when guest is idle, the next timer will be 
> > later than INT32_MAX ns. And those meaningless alarm will harm the pkg 
> > C-state.
> 
> This is a power performance improvement, yes ?  Should we be accepting
> these into qemu-xen-unstable at this point ?  Although TBH it's quite
> a small change so it might be worth making an exception.

I am in favor of making an exception for this one

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