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From: Avi Kivity <avi@redhat.com>
To: Cyrill Gorcunov <gorcunov@openvz.org>
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: Sat, 30 Apr 2011 23:14:57 +0300	[thread overview]
Message-ID: <4DBC6DC1.30900@redhat.com> (raw)
In-Reply-To: <20110430171459.685415696@openvz.org>

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.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.


  parent reply	other threads:[~2011-04-30 20:15 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 ` Avi Kivity [this message]
2011-04-30 20:33   ` [patch 0/2] x2apic optimization, round 4 Cyrill Gorcunov
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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