Re: [PATCH v2] KVM: halt-polling: poll if emulated lapic timer will fire soon

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On 19/05/2016 16:52, Christian Borntraeger wrote:
>> > Would this work too and be simpler?
> Hmm, your patch does only fiddle with the grow/shrink logic (which might
> be a good idea independently of this change), but the original patch 
> actually takes into account that we have a guaranteed maximum time by a 
> wakeup timer - IOW we know exactly what the maximum poll time is.
> 

Yes, it's different.  The question is whether a 10us poll (40,000 clock
cycles) has an impact even if it's sometimes wrong.

Thanks,

Paolo
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux