Re: [patch 0/2] x2apic optimization, round 4

From: Cyrill Gorcunov
Date: Sat Apr 30 2011 - 16:34:09 EST


On 05/01/2011 12:14 AM, Avi Kivity wrote:
> On 04/30/2011 08:14 PM, Cyrill Gorcunov wrote:
>> Hi Ingo, here is an updated series of two patches for
>> x2apic cluster mode ipi optimization. Please take a
>> look.
>>
>> The only concern which was unresolved is a messy bit
>> in default_setup_apic_routing(), so we've added a FIXME
>> there and clean it up as only time permits. Actually I
>> have a plan to merge probe_32/64.c into single file (and
>> even started working on this task) but not yes succeed.
>>
>> Anyway I think patches should be in a good shape now and
>> probably we could merge them to not lose?
>>
>> Comments are welcome.
>
> Very nice! This will also significantly speed up kvm guests using x2apic.
>

Yeah, indeed, i somehow forgot that we have x2apic mode in kvm (and just remember you've
been pointing me already about x2apic parameter for kvm ;)

--
Thanks,
Cyrill
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