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References: <20110430171459.685415696@openvz.org>
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	<20110501164635.GA21833@elte.hu>
Date: Sun, 1 May 2011 21:11:35 +0400
Message-ID: <BANLkTimpk3Ye=HvCohTbKT7Jzedo_V07Yg@mail.gmail.com>
Subject: Re: [patch 0/2] x2apic optimization, round 4
From: Cyrill Gorcunov <gorcunov@openvz.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Avi Kivity <avi@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Suresh Siddha <suresh.b.siddha@intel.com>,
        LKML <linux-kernel@vger.kernel.org>
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On Sun, May 1, 2011 at 8:46 PM, Ingo Molnar <mingo@elte.hu> wrote:
>
> * Avi Kivity <avi@redhat.com> 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.
>
> Ok. It would be nice to know on what systems these patches were tested, i.e. i
> suppose x2apic-enabled ones?
>
> Thanks,
>
> ? ? ? ?Ingo
>

Suresh has tested them on Westmere-Ex system, I personally don't have
such machine.
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