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

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Message-ID: <4DBC6DC1.30900@redhat.com>
Date:	Sat, 30 Apr 2011 23:14:57 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Cyrill Gorcunov <gorcunov@...nvz.org>
CC:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [patch 0/2] x2apic optimization, round 4

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.

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