From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Avi Kivity <avi@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Suresh Siddha <suresh.b.siddha@intel.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [patch 0/2] x2apic optimization, round 4
Date: Sun, 01 May 2011 00:33:53 +0400 [thread overview]
Message-ID: <4DBC7231.5020806@gmail.com> (raw)
In-Reply-To: <4DBC6DC1.30900@redhat.com>
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
next prev parent reply other threads:[~2011-04-30 20:34 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-30 17:14 [patch 0/2] x2apic optimization, round 4 Cyrill Gorcunov
2011-04-30 17:15 ` [patch 1/2] x86, x2apic: minimize IPI register writes using cluster groups v4 Cyrill Gorcunov
2011-05-01 17:18 ` Ingo Molnar
2011-04-30 17:15 ` [patch 2/2] x86, x2apic: Move the common bits of physical and cluster modes to x2apic.h v4 Cyrill Gorcunov
2011-04-30 20:14 ` [patch 0/2] x2apic optimization, round 4 Avi Kivity
2011-04-30 20:33 ` Cyrill Gorcunov [this message]
2011-05-01 16:46 ` Ingo Molnar
2011-05-01 17:11 ` Cyrill Gorcunov
2011-05-02 5:39 ` Gleb Natapov
2011-05-02 5:51 ` Cyrill Gorcunov
2011-05-02 7:09 ` Cyrill Gorcunov
2011-05-02 7:45 ` Gleb Natapov
2011-05-02 7:52 ` Cyrill Gorcunov
2011-05-02 8:04 ` Gleb Natapov
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